Engineering, Product and Design Startups funded by Y Combinator (YC) in San Francisco 2024

May 2024

Browse 100 of the top Engineering, Product and Design startups funded by Y Combinator. Headquartered in San Francisco, these are some of the hottest and fastest-growing startups.

We also have a Startup Directory where you can search through over 5,000 companies.

  • GitLab
    GitLab (w2015)Public • 2,000 employees • San Francisco, CA, USA
    GitLab is the first single application for the entire DevOps lifecycle. Only GitLab enables Concurrent DevOps, unlocking organizations from the constraints of today’s toolchain. GitLab provides unmatched visibility, radical new levels of efficiency and comprehensive governance to significantly compress the time between planning a change and monitoring its effect. This makes the software lifecycle 200% faster, radically improving the speed of business. GitLab and Concurrent DevOps collapses cycle times by driving higher efficiency across all stages of the software development lifecycle. For the first time, Product, Development, QA, Security, and Operations teams can work concurrently in a single application. There’s no need to integrate and synchronize tools, or waste time waiting for handoffs. Everyone contributes to a single conversation, instead of managing multiple threads across disparate tools. And only GitLab gives teams complete visibility across the lifecycle with a single, trusted source of data to simplify troubleshooting and drive accountability. All activity is governed by consistent controls, making security and compliance first-class citizens instead of an afterthought. Built on Open Source, GitLab leverages the community contributions of thousands of developers and millions of users to continuously deliver new DevOps innovations. More than 100,000 organizations from startups to global enterprise organizations, including Ticketmaster, Jaguar Land Rover, NASDAQ, Dish Network and Comcast trust GitLab to deliver great software at new speeds.
    developer-tools
    devsecops
    open-source
  • PagerDuty
    PagerDuty (s2010)Public • 950 employees • San Francisco, CA, USA
    PagerDuty is an operations performance platform delivering visibility and actionable intelligence across the entire incident lifecycle. Their SaaS-based solution empowers over 10,000 small, mid-size and enterprise global customers such as Comcast, eHarmony, Slack and Lululemon with the insight to intelligently respond to critical disruptions for exceptional customer experience. PagerDuty was founded to deliver a new and innovative approach to increase business response and efficiency. When brand reputation depends on customer satisfaction, PagerDuty arms businesses with the insight to proactively manage incidents and events that may impact customers across their IT environment.
    devops
    monitoring
  • Optimizely
    Optimizely (w2010)Acquired • 1,500 employees • San Francisco, CA, USA
    At Optimizely, we're on a mission to help people unlock their digital potential. We do that by reinventing how marketing and product teams work to create and optimize digital experiences across all channels. With Optimizely One, our industry-first operating system for marketers, we offer teams flexibility and choice to build their stack their way with our fully SaaS, fully decoupled, and highly composable solution. We help companies around the world orchestrate their entire content lifecycle, monetize every digital experience and experiment across all customer touchpoints – all through Optimizely One, the leading digital experience platform that powers every phase of the marketing lifecycle through a single, AI-accelerated workflow. Optimizely has nearly 1500 employees across our 21 global offices and has 700+ partners. We are proud to help more than 10,000 businesses, including H&M, PayPal, Zoom, and Toyota, enrich their customer lifetime value, increase revenue and grow their brands. At Optimizely, we live each day with a simple philosophy: large enough to serve, small enough to care. Learn more at optimizely.com.
    marketing
  • Scale AI
    Scale AI (s2016)Active • 500 employees • San Francisco, CA, USA
    Scale accelerates the development of AI within organizations of any size to deliver critical business insights and operational efficiency. Its data-centric infrastructure platform leverages RLHF (Reinforced Learning with Human Feedback) to help organizations build the strongest AI models that supercharge their business, with customers across industries including Meta, Microsoft, U.S. Army, DoD’s Defense Innovation Unit, Open AI, General Motors, Toyota Research Institute, Brex, Instacart and Flexport.
    artificial-intelligence
    machine-learning
  • Cosmic
    Cosmic (w2019)Active • 5 employees • San Francisco, CA, USA
    Cosmic is a headless CMS and API toolkit to help teams build modern apps faster, together. We provide a web dashboard to create content and API tools to deliver content into any website or app. Teams benefit from using Cosmic because it eliminates the need to build and maintain their own CMS infrastructure. Teams pay a monthly subscription fee for our hosted CMS and can focus on their application logic, creating great content, and enhancing user experiences.
    developer-tools
    api
  • Dockup
    Dockup (w2019)Active • 4 employees • Mountain View, CA, USA
    Dockup gives on-demand environments for engineering teams so they can merge pull requests with confidence. It works like CircleCI, but allows you to manually test and see each code changes in action with your entire tech stack without having to mock any of your services.
    devops
  • Rainforest
    Rainforest (s2012)Active • 40 employees • San Francisco, CA, USA
    No-code platform for end-to-end, automated software testing that integrates with any CI/CD pipeline. Improve quality and move faster without a QA team. We have a sweet YC deal.
    developer-tools
    saas
  • Shogun
    Shogun (w2018)Active • 90 employees • San Carlos, CA, USA
    Shogun is an ecommerce experience platform empowering brands to drive higher conversions, revenue, and brand loyalty. Our products Shogun Page Builder and Shogun Frontend help teams build and optimize their online stores to deliver exceptional experiences. Our products integrate with ecommerce platforms like Shopify and BigCommerce, and our 20,000+ customers include Leesa, MVMT, Timbuk2, and Chubbies. Visit www.getshogun.com for more. We're an inclusive, remote, diverse, and globally distributed team. And we’re hiring!
    saas
    b2b
    e-commerce
  • highlight.io
    highlight.io (w2023)Active • 8 employees • Irvine, CA, USA
    highlight.io is the open source, full-stack monitoring platform. With just a few lines of code, Highlight makes it easy to understand what's slowing down your users and swiftly address errors and regressions on your web app. Imagine that you have a customer reporting an issue on your web app. With highlight.io, you can playback their exact interactions to reproduce the bug and get notified of any future errors that could happen. That being said, we’re just getting started! We have plans to go way deeper into your observability stack to give you all of the visibility you need. Join us on this journey: - Star us on GitHub (https://github.com/highlight/highlight) to keep up with releases and news. - Join our Discord (https://highlight.io/community) to share product feedback and thoughts.
    developer-tools
    saas
    b2b
    open-source
    monitoring
  • Duckly
    Duckly (s2020)Active • 5 employees • San Francisco, CA, USA
    Duckly enables teams to talk and collaborate in real-time. Teams can use a simple URL that is easy to join and remember. You can share a website and allow your colleagues to click, type, and browse with you. You can share your code directly from your IDE or even share a terminal session that your team can interact with. All with high-quality audio and video chat. We are building tools for real-time remote collaboration that makes it easy for teams to work as if they were side by side and share what they know.
    developer-tools
    b2b
    team-collaboration
  • Aviator
    Aviator (s2021)Active • 6 employees • San Francisco, CA, USA
    Aviator is a developer tool that automates merge workflows and keeps builds healthy. Engineers save up to 5 hours a week and avoid frustration of broken builds. Our users include Slack, Bosch, Lightspeed, Square, Benchling, Figma and many others. For instance, Slack went from 180 master-build failures per quarter to just 1 build failure when they started using Aviator. Our goal is to become the leading brand for developer experience.
    developer-tools
    saas
    b2b
  • SnapMagic
    SnapMagic (s2015)Active • 28 employees • San Francisco, CA, USA
    Built by electrical engineers for electrical engineers, SnapMagic removes monotony so that engineers can do their best work. SnapMagic’s electronic component data is used by over 1.5 million engineers across the world’s largest organizations. Its new AI Copilot will change the way that every engineer designs electronics. Join at www.snapmagic.com.
    developer-tools
    hardware
    marketplace
    ai
  • Vimmerse
    Vimmerse (w2022)Active • 10 employees • San Jose, CA, USA
    Designers, branding agencies, and on-line stores can use Vimmerse’s AI creators platform, Apps, and API to animate their images at scale making their business stand out from the crowd.
    developer-tools
    b2b
    video
    advertising
    ai
  • FlutterFlow
    FlutterFlow (w2021)Active • 50 employees • San Mateo, CA, USA
    We're building a visual application development platform to dramatically improve the time to market and quality of digital experiences. FlutterFlow helps companies and product teams improve developer efficiency, accelerate project timelines, and reduce costs for large-scale business applications. Our customers include some of the largest banking, consulting, telecom, and manufacturing companies in the world. We have more than 1.3M users in more than 200 countries and regions around the world. We’re a remote first team headquartered in the San Francisco Bay Area. We have offices in Mountain View, New York City, and Singapore.
    developer-tools
    saas
    design-tools
  • 1Flow
    1Flow (w2022)Active • 8 employees • San Francisco, CA, USA
    [1Flow](https://1flow.ai) is building a user engagement layer for all apps on mobile and web to help companies increase conversion and reduce churn at scale – starting with in-product user feedback collection. Our first product is a flexible tech platform to collect in-product user feedback, that directly feeds into product development so you can know why churn and conversion happen, and launch features that will have a direct ROI to a company’s bottom line. Official Website: https://1flow.ai/ Interactive Demo: https://1flow.ai/demo Documentation: https://1flow.ai/docs
    saas
    b2b
    analytics
  • Pierre
    Pierre (w2023)Active • 2 employees • New York, NY, USA
    Pierre enables engineers, designers and business team members to discuss new features before they're merged.
    ai-enhanced-learning
    developer-tools
    b2b
    productivity
    collaboration
  • Deepgram
    Deepgram (w2016)Active • 115 employees • San Francisco, CA, USA
    Deepgram is a foundational AI company on a mission to understand human language. We give any developer access to the most advanced speech AI transcription and understanding with just an API call. Our models deliver the fastest, most accurate transcription alongside contextual features like summarization, sentiment analysis, and topic detection. Beyond that, developers can: 🔊 Process live-streaming or pre-recorded audio 🌎 Transcribe in dozens of languages ⚙️ Train custom models for unique use cases 🔑 Access deep NLU with a unified API 💻 Build in any programming language with our SDKs ✅ Deploy on-prem or on DG’s managed cloud 📈 Get scalable GPU infra for training and inference Deepgram is a proud NVIDIA partner and Y Combinator company, and we recently completed a $72M Series B to define the future of AI Speech Understanding, making us the most-funded speech AI company at its stage.
    ai-enhanced-learning
    artificial-intelligence
    api
  • Courier
    Courier (s2019)Active • 35 employees • San Francisco, CA, USA
    Courier is the fastest way for developers to build notifications for their app. Our APIs take the tedium out of integrating various notification channels, while our visual designer lets anyone design a message template and deliver their notifications to the best channel for each user with a single API call. Email, Push, In-App, Slack, SMS, you name it. Think "Stripe, for notifications."
    developer-tools
    messaging
  • zeroheight
    zeroheight (s2019)Active • 75 employees • London, UK
    UX teams are scaling exponentially, but in order to scale effectively, they need to be able to reuse each other’s work. The problem is that right now, UX designers and developers don’t know what’s been done before and they end up rebuilding the same things – over and over. zeroheight integrates with UX tools and allows teams to document their work, so that it can be reused and they can deliver UX faster.
    developer-tools
    saas
    design-tools
  • numericcal, inc.
    numericcal, inc. (s2018)Active • 3 employees • San Francisco, CA, USA
    Turn-key solutions for anomaly detection, asset detection and tracking, and workforce management in automotive and manufacturing operations. We leverage modern Machine Learning to work with unstructured sensory data, like video and audio. By distributing the solution across the edge (on-premises) and multiple clouds (Azure + AWS/GCP) we lower the operating costs by 100x, while processing 1,000x more data than any cloud-based solution and provide better reliability and safety.
    artificial-intelligence
    industrial
  • Rescale
    Rescale (w2012)Active • 250 employees • San Francisco, CA, USA
    Rescale is a cloud-based platform for computational engineering and R&D, that empowers engineers and researchers to accelerate discovery, testing, and optimization. We democratize access to the latest technologies that drive greater efficiency and competitiveness, including high performance computing, simulation, modeling, AI/ML, and digital twins. The majority of industry leaders worldwide use Rescale as the backbone of R&D, connecting the digital thread of new product innovation to develop products that enrich humanity, from autonomous vehicles to drug discovery. Rescale customers include 7 of the top 10 automotive companies and 3 of the top 6 life science companies. Rescale’s full-stack, open platform automates systems, data, and workflows into a user-centric experience, so customers can focus on innovation. Choose from 1000+ pre-installed applications for multiphysics simulation and AI/ML-assisted design exploration, including commercial, open-source, and custom software. We offer the largest global network of hyperscale and specialty cloud infrastructure to leverage the latest CPU, GPU, and other specialized architectures. Rescale is enterprise-ready to enable any size organization to achieve their digital transformation goals–with unified management that gives IT teams full visibility and control of hybrid-cloud operations. Rescale’s intelligent automation gives customers flexibility to improve performance and reduce costs of computing, while our enhanced security and compliance ensures industry-leading standards are met from end to end. Getting started is simple, flexible, and free to try. Our team of experts is ready to help you achieve your most ambitious engineering goals – schedule a demo today. Join us and help us build products that change the world: www.rescale.com/careers
    cloud-computing
  • Waydev
    Waydev (w2021)Active • 15 employees • San Francisco, CA, USA
    Leverage insights from your engineering stack to accelerate velocity, align engineering work to business priorities, and increase visibility into your team’s DORA Metrics and SPACE Framework Metrics
    b2b
    analytics
    enterprise
    data-engineering
    ai-assistant
  • Bytebot
    Bytebot (s2021)Active • 2 employees • San Francisco, CA, USA
    Bytebot simplifies and streamlines web tasks by translating natural language prompts into browser automation, including clicks, form filling, and data extraction. The platform and SDK enables users to develop robust, dynamic web automation scripts that adapt alongside changing web environments. Effortless to use and easy to integrate, Bytebot helps users boost their workflow efficiency and drive growth, all without the complexity.
    artificial-intelligence
    robotic-process-automation
    saas
    api
    ai-assistant
  • Rutter
    Rutter (s2019)Active • 24 employees • San Francisco, CA, USA
    Rutter is building a universal API for e-commerce platforms, accounting systems and payment processors. Similar to the financial market before Plaid, the world of business financial data is split across hundreds of platforms like e-commerce storefronts, marketplaces, accounting systems and payment processors, such as Shopify, Amazon, Quickbooks, Netsuite, Stripe and others. Each of these platforms has its own app store or its equivalent, and the enterprising developer must spend thousands of hours building integrations in order to access the entire market. Rutter is an integration layer for any company building integrations into commerce or accounting platforms. You can learn more about our universal API here: https://www.rutter.com/
    developer-tools
    fintech
    b2b
  • Ditto
    Ditto (w2020)Active • 9 employees • San Francisco, CA, USA
    Manage the words across your team’s product from design to production.
    developer-tools
    saas
    design-tools
  • EnvKey
    EnvKey (w2018)Active • 2 employees • San Francisco, CA, USA
    EnvKey is a developer-friendly, cross-platform, end-to-end encrypted configuration and secrets manager. It can be used to store API keys, database credentials, and other application config securely. EnvKey makes it easy to grant least-privilege access to the developers and servers that need it from a user-friendly UI. Integration takes minutes. Using EnvKey ensures that no 3rd party, including EnvKey itself, ever has access to your secrets. It takes a part of your system that used to be error-prone and insecure and makes it just work.
    security
  • CircuitLab
    CircuitLab (w2013)Active • 2 employees • Redwood City, CA, USA
    CircuitLab makes it easier for electrical engineers, students, and electronics hobbyists to design, analyze, build, and share electronic circuits.
    hardware
    saas
  • Tumult
    Tumult (w2011)Active • 1 employees • San Francisco, CA, USA
    Tumult Inc. makes the next generation of designer tools to produce beautiful web content.
    developer-tools
    design-tools
  • Seam
    Seam (s2020)Active • 25 employees • San Francisco, CA, USA
    Seam lets developers connect and control 3rd-party connected devices like door locks, thermostats, and more.
    developer-tools
    iot
    api
  • Quilt Data (w2016)Active • 6 employees • San Francisco, CA, USA
    We realized that S3 is kind of like "git for data" and have created services that make S3 function as a data hub for teams. Quilt consists of a Python Client, a web catalog for browsing and visualizing S3, and a CloudFormation backend for compute and identity management.
    analytics
  • Doppler
    Doppler (w2019)Active • 25 employees • San Francisco, CA, USA
    Your central source of truth from local development to production for every language, stack, and infrastructure.
    developer-tools
    devsecops
    saas
  • Stably
    Stably (w2022)Active • 2 employees • San Francisco, CA, USA
    Stably helps engineering teams develop fast without breaking things. We do so by using AI to generate, run, and maintain your E2E tests automatically.
    artificial-intelligence
    developer-tools
    saas
  • Mindee
    Mindee (w2021)Active • 60 employees • Paris, France
    Documents are everywhere. Through all industries, understanding their content is a critical step of many processes that software builders throughout the globe want to automate. We focus on the science, the AI, the deep learning to give these builders the one API they need to automate the understanding of documents and give their software human-like superpowers. Based on three pillars: - A product: a universal self-service platform where builders can train their own models - A catalog of use-cases: We push critical use cases to the limits of human performances in critical markets such as Accounting software, AP Automation, Expense Management, KYC and many others - A internal capability to make tailor-made AI: We answer to specific needs from large customers that needs a custom AI of their own to handle their use cases
    artificial-intelligence
    deep-learning
    developer-tools
    automation
    apis
  • Replo
    Replo (s2021)Active • 10 employees • San Francisco, CA, USA
    Replo helps companies build websites with less code. Our goal is to create a single platform for businesses to design, develop, and market content on the internet.
    saas
    design-tools
    e-commerce
  • Superb AI
    Superb AI (w2019)Active • 90 employees • San Mateo, CA, USA
    Superb AI helps you effortlessly label, manage, and curate training datasets for computer vision and makes rapid, consistent iteration a reality.
    deep-learning
    saas
    b2b
  • Haystack
    Haystack (w2021)Active • 6 employees • San Francisco, CA, USA
    We are bringing the competitive advantage data-driven engineering teams like Google have - to everyone else. Our analytics platform plugs directly into developer tools like Github to provide insights on delivery speeds, bottlenecks, and risks that impact team velocity & developer happiness. We're trusted by some of the world’s most innovative teams: Microsoft, The Economist, and Indiegogo and backed by Y Combinator, Soma Capital, Funders Club, and strategic angels (Founder @Optimizely, SVP Sales @Amplitude) . Haystack is a culture of tinkering, learning, testing and iterating. We ship quickly and help our customers do the same. We're led by founded by two technical founders who have experienced this problem first-hand after scaling their startups from 0 to 100m+ users.
    analytics
  • RevenueCat
    RevenueCat (s2018)Active • 60 employees • San Francisco, CA, USA
    RevenueCat is a mobile SDK and API for managing in-app subscriptions We take the sting out of supporting the complicated subscription systems of the App Store and Google Play Store, and help you focus on running your business.
    developer-tools
    subscriptions
  • WarpBuild
    WarpBuild (s2021)Active • 6 employees • San Francisco, CA, USA
    Get 30% faster, 50% cheaper CI builds in 30 seconds using WarpBuild cloud runners for Github Actions. Optimize your software development lifecycle through DORA, SPACE reports and AI powered insights.
    developer-tools
    generative-ai
    saas
    productivity
    devops
  • Replit
    Replit (w2018)Active • 115 employees • San Francisco, CA, USA
    Replit is the world-leading collaborative browser-based development environment -- learn, create & deploy! Join a community of 20m+ developers.
    developer-tools
    collaboration
  • Imbue (formerly Generally Intelligent)
    Imbue (formerly Generally Intelligent) (s2017)Active • 15 employees • San Francisco, CA, USA
    Imbue builds AI systems that reason and code, enabling AI agents to accomplish larger goals and safely work in the real world. We train our own foundation models optimized for reasoning and prototype agents on top of these models. By using these agents extensively, we gain insights into improving both the capabilities of the underlying models and the interaction design for agents. We aim to rekindle the dream of the *personal* computer, where computers become truly intelligent tools that empower us, giving us freedom, dignity, and agency to pursue the things we love.
    machine-learning
    data-engineering
    ai
  • Kraftful
    Kraftful (s2019)Active • 6 employees • San Francisco, CA, USA
    Helping product builders to listen to users at scale so they can make something people want.
    artificial-intelligence
    generative-ai
    b2b
    nlp
    ai
  • Glide
    Glide (w2019)Active • 40 employees • San Francisco, CA, USA
    Glide is a web-based app builder that allows non-programmers to quickly create powerful and beautiful apps by combining prebuilt components with a familiar spreadsheet model. App development has barely changed in 30 years. Glide will bring app development out of the Dark Ages, making it web-based, collaborative, and fun. Think of Google Docs or Figma but for building apps. We believe that almost all apps can be built 10-100x faster, with higher quality, by starting with the data model and generating a polished app from high-level components that users customize. Our mission is to make it easy and fun for anyone to build amazing apps without code. In ten years, we want the majority of apps worldwide to have been built with Glide. We're four technical founders with expertise in native mobile frameworks, developer tools, and product design. We've worked together for 5-10 years, and were all early employees at Xamarin, a mobile developer tools startup acquired by Microsoft in 2016.
    no-code
  • Dev Tools AI
    Dev Tools AI (s2022)Active • 2 employees • San Francisco, CA, USA
    We help scale automation leveraging LLMs and computer vision
    artificial-intelligence
    b2b
    productivity
    enterprise
  • Ultralight
    Ultralight (w2019)Active • San Francisco, CA, USA
    Effortlessly display modern web-content everywhere. Think of Java, but for web-content and JavaScript. Available for desktop apps, game consoles, embedded device displays, servers, and more.
    developer-tools
    hard-tech
    b2b
    gaming
    api
  • Dime
    Dime (s2021)Active • 2 employees • San Francisco, CA, USA
    As developers, we’re constantly going through the cycle of starting to write tests, deciding we can’t prioritize them because we need to ship new features, and then running into bugs in production as a result. Autotest lets you build comprehensive integration tests for your website with basically no work on your part, so you get the benefits of testing without wasting dev time on it.
  • Chatfuel
    Chatfuel (w2016)Active • 53 employees • San Francisco, CA, USA
    We are the largest platform for building bots on Facebook Messenger. Bots are pieces of software that help automate communication with humans through messaging applications. Since messengers have become the most heavily used mobile apps, bots have emerged as effective instruments that are changing the world of digital marketing. Our customers use bots for sales and marketing funnel automation, lead generation and nurturing, customer support and communication. Chatfuel’s bot creators range from small and medium businesses to the world’s most recognizable brands. Some of our largest customers include Adidas, T-Mobile, TechCrunch, LEGO, Golden State Warriors, and many others.
    messaging
    chatbots
  • HyperDX
    HyperDX (s2022)Active • 3 employees • San Mateo, CA, USA
    HyperDX assists engineers in resolving production bugs more quickly with simple workflows that take you from alert to resolution. You can get set up in a matter of minutes and correlate debug telemetry all in one place, including logs, metrics, traces, and browser session replays, allowing you to resolve issues faster than ever before. HyperDX is open source and built on top of Clickhouse and S3, so customers can enjoy ten times the savings when compared to traditional vendors like Datadog.
    developer-tools
    saas
    b2b
    open-source
    infrastructure
  • testRigor
    testRigor (s2021)Active • 25 employees • San Francisco, CA, USA
    testRigor is an executable specifications engine to help companies to empower their manual QA to be able to build automation 15X than QA engineers and spend 200X less time maintaining the code.
    developer-tools
    saas
  • Great Question
    Great Question (w2021)Active • 22 employees • Oakland, CA, USA
    Great Question puts customer research on autopilot - from recruiting participants, scheduling interviews, sending surveys or prototype tests - and sharing what you learn with your team. Companies like Adidas Runtastic, O'Reilly Media & MainStreet use us to put their customers at the center of their product, design & marketing decisions.
    saas
    b2b
    design-tools
  • Luminai
    Luminai (s2020)Active • 45 employees • San Francisco, CA, USA
    Luminai helps automate repetitive manual work away from your mission critical business processes. We're serving customers across retail, healthcare, financial services, and more. Visit our website and see our customer case studies below: https://luminai.com Grateful to be backed by General Catalyst, Craft Ventures, Y Combinator, Moxxie Ventures, Caffeinated Capital, Unshackled Ventures, Scribble Ventures, Shrug Capital, Underscore VC, Weekend Fund, Liquid 2 Ventures, Nikhil Basu Trivedi, Yuri Sagalov, Chris Golda, Basement Fund, the founders and CEOs of Dropbox, Flexport, Notion, Deel, Front, Ramp, Coda, Rappi, Twitch, Lever, Algolia, Thredup, Pagerduty, Sendbird, the COO's of Stitchfix/Rippling, and the former heads of product of Twitter, Instagram, and Uber. We’ve raised $20 million till date. We’re hiring across all roles!
    b2b
    enterprise
  • Sendbird
    Sendbird (w2016)Active • 300 employees • San Mateo, CA, USA
    At Sendbird, we are building the world's leading conversations platform for mobile apps. We power over 300M+ people's conversations every month and we are working with the leading customers such as DoorDash, Reddit, Yahoo!, PayPal, Walgreens, and have raised $220M+ in total funding from ICONIQ, Tiger Global, Meritech, Emergence, SoftBank Vision Fund, Steadfast, Shasta, and August.
    developer-tools
    saas
    b2b
    messaging
    enterprise
  • Sail
    Sail (s2022)Active • 2 employees • San Francisco, CA, USA
    Sail uses generative AI to replace SDRs. Tell our platform who you're looking for, and it will find and contact high quality sales leads in a fully automated way! We’ve tuned our models to write near-human outbound sales emails with proven conversion. Best of all, we're using our own tool to do all of our sales.
    artificial-intelligence
    generative-ai
    sales
    sales-enablement
  • Federacy
    Federacy (s2018)Active • 2 employees • San Francisco, CA, USA
    Penetration testing and bug bounty platform.
    security
  • Finch
    Finch (s2020)Active • 63 employees • San Francisco, CA, USA
    Finch is the API to access payroll and HR systems. We allow admins to connect their company in a compliant and secure manner to applications. Finch integrates across providers enabling developers to access a previously closed system and are at the source of truth for employee data and money flow. Our API powers use cases across lending, insurance, benefits, FP&A, and HR applications.
    fintech
    hr-tech
    api
  • Metafi
    Metafi (s2022)Active • 2 employees • Singapore
    Metafi is building blockchain infrastructure for Web3 games. With our SDK, game developers can set up an embedded wallet within their game, broadcast transactions to multiple chains, and listen to on-chain events that affect game state.
    saas
    crypto-web3
    b2b
    gaming
    nft
  • DeepSource
    DeepSource (w2020)Active • 11 employees • San Francisco, CA, USA
    DeepSource continuously analyzes source code changes to find and fix issues categorized as security, performance, anti-patterns, and bug-risks. DeepSource integrates with GitHub, GitLab, Bitbucket, and Azure DevOps and runs analysis on every commit and pull request, discovers and fixes potential issues before they make it to production.
    developer-tools
    saas
    ai
    ai-assistant
  • Datasaur
    Datasaur (w2020)Active • 55 employees • Livermore, CA, USA
    Datasaur builds intelligent, optimized, human-centric LLM/NLP tools. If you're still using Excel or maintaining your own in-house tools, Datasaur can offer you significant cost-savings and improve the quality of your training data. We provide tools custom-built for power users. Our built-in intelligence helps augment your human labelers and avoid costly mistakes; our workforce management tool allows you to assign projects to and cross-validate the results from multiple labelers to ensure you can train your models with the utmost confidence. I have 10 years of consumer product experience. I'd be happy to help discuss product strategy and gamification. I'd love to get any advice you have to offer on SaaS and enterprise sales.
    artificial-intelligence
    deep-learning
    developer-tools
  • GitStart
    GitStart (s2019)Active • 19 employees • San Francisco, CA, USA
    GitStart accelerates software engineers with Pull Requests as a Service. Assign tickets to GitStart Bot, go to sleep, and wake up with PRs. GitStart Bot automatically manages thousands of AI models and full-time engineers and runs peer reviews until PRs are ready to be merged. It’s scalable, flexible, and quality is guaranteed: you only pay for merged PRs.
    developer-tools
  • Openlayer
    Openlayer (s2021)Active • 6 employees • San Francisco, CA, USA
    Track prompts and models. Test edge cases. Catch errors in production. Evaluate your AI with one-line of code.
    aiops
    developer-tools
    generative-ai
    machine-learning
    ai
  • Monterey AI
    Monterey AI (s2022)Active • 5 employees • San Francisco, CA, USA
    Monterey AI builds intelligent customer voice infrastructure for product operations teams in hyper-growth companies. Monterey helps companies understand what actions to take to improve engagement and reduce churn by setting up user feedback channels, auto-collecting, and analyzing qualitative feedback and quantitative data from multiple sources.
    artificial-intelligence
    generative-ai
    productivity
    enterprise
    ai
  • OneSchema
    OneSchema (s2021)Active • 10 employees • San Francisco, CA, USA
    Product and engineering teams use OneSchema to save months of development time to build a CSV importer. OneSchema improves customer activation / import completion rates by automatically correcting customer data.
    developer-tools
    saas
    b2b
    data-engineering
  • Outerbase
    Outerbase (w2023)Active • 4 employees • Pittsburgh, PA, USA
    Outerbase is the interface for your database. Companies use Outerbase to view, edit, and modify their data and even generate beautiful visual dashboards without having to write a single line of SQL.
    developer-tools
    generative-ai
    analytics
    data-engineering
    ai
  • Jet Admin
    Jet Admin (w2020)Active • 8 employees • San Francisco, CA, USA
    Jet Admin - an app builder designed specifically for creating internal tools, admin panels, external portals, inventory apps, and other business applications really fast and without coding. In Jet Admin, you can assemble multi-page apps with complex user flows, connected to multiple data sources. Setting up custom layouts, adding custom actions and workflows, binding and transforming dynamic values, using conditional rules and validations - all is done through a drag & drop and point & click visual builder. We’ve also added a variety of developer tools, so whenever necessary, you can create custom SQL and HTTP queries, write JavaScript, create multiple environments, code, and embed custom UI components.
    developer-tools
    saas
    b2b
  • CommandBar
    CommandBar (s2020)Active • 22 employees • San Francisco, CA, USA
    Our software makes other software better. Product teams embed CommandBar in their products to help their customers onboard faster, adopt new features, learn new worfklows, and get help in-app where they are. What began with our flagship product – a magical search bar that lets users find anything in the app they were using – has since grown into a powerful platform for building great software. We help our customers ship delightful product tours, surveys, onboarding checklists, in-app help docs, and AI-powered copilots – fast. We’re obsessed with helping people get more done with computers and measure our success by the number of humans we serve. Today that’s over 15 million and counting as we work with some of the world’s most forward-thinking companies like Netlify, AngelList, Gusto, and Shortcut. We’re well funded, have strong early traction, and have build an incredibly talented team that’s low-ego and distributed across the world. It’s still day zero at CommandBar though. There’s a ton of room for you to have an outsized impact on our trajectory and do the best work of your career
    b2b
    productivity
  • Noya Software
    Noya Software (w2023)Active • 2 employees • San Francisco, CA, USA
    Noya is a new kind of product design tool for non-designers. This is our second time co-founding a design tools company – our first company was acquired by Airbnb in 2017 and we became the design tools team there. At Airbnb, we built the design infrastructure that the entire company relied on to scale design without increasing headcount costs. We did this by letting non-designers (such as marketing, PMs, and engineering) design screens and websites. Now we're making these tools available to every company.
    developer-tools
    saas
    b2b
    design-tools
    open-source
  • ShortLoop
    ShortLoop (w2023)Active • 3 employees • Bengaluru, Karnataka, India
    We create up-to-date API collections, identify dependencies, breaking changes and API behavior without manual effort.
    developer-tools
    saas
    b2b
    api
  • Clickpass (s2007)Acquired • 11 employees • San Francisco, CA, USA
    Clickpass provides single-sign-on services to enter into various websites by using a single password. Clickpass is headquartered in San Francisco, California
  • Flowdash
    Flowdash (w2020)Acquired • 5 employees • San Francisco, CA, USA
    Flowdash makes it easy to build semi-automated workflows with no code. We recognize that many business processes today simply can't be fully automated and require human intuition. But there's no reason they need to be fully manual either. With Flowdash, teams can build custom tools to manage their internal processes, leveraging automation where it makes sense, and weaving in human intuition when needed.
    saas
    b2b
  • Parse (s2011)Acquired • 11 employees • Menlo Park, CA, USA
    Parse offers cloud-based software developer kits that enable users to create apps for desktop, mobile, and embedded devices. Its product portfolio is comprised of Parse Core to save data in the cloud; make the app social; run custom app code in the Parse Cloud; schedule recurring tasks such as sending engagement emails, updating data, and long running computation; share data between platforms; and get a local datastore and Parse dashboard. The company also provides Parse Push for creating, scheduling, and segmenting push notifications; and Parse Analytics to find and fix crashes, measure app usage, optimize push campaigns, track custom analytics, and measure growth analytics. Parse is based in San Francisco, California. Currently, it operates as a subsidiary of Facebook.
  • Swiftype
    Swiftype (w2012)Acquired • 50 employees • San Francisco, CA, USA
    Swiftype is an Elastic company. https://blog.swiftype.com/2017/11/09/swiftype-joins-forces-with-elastic/ Swiftype App Search is now generally available. https://blog.swiftype.com/2018/05/16/app-search-now-generally-available/ Swiftype’s industry leading search platform delivers accurate, relevant and customizable search results for businesses. Swiftype’s suite of products, Site Search, App Search and Enterprise Search, have revolutionized the way people find information across their organization and on public facing websites.
    developer-tools
    saas
    b2b
  • Easel (s2012)Acquired • 2 employees • San Francisco Bay Area, CA, USA
    Easel was borne out of our frustration with the current state of design tools. Development tools have improved as the web has matured but design tools haven't. We started Easel because we want to create better design tools for the Web. Easel is a member of the Summer 2012 Y-Combinator batch and is located in the San Francisco Bay Area.
    design-tools
  • SigOpt
    SigOpt (w2015)Acquired • 23 employees • San Francisco, CA, USA
    SigOpt is the optimization platform that amplifies your research. SigOpt takes any research pipeline and tunes it, right in place. Our cloud-based ensemble of optimization algorithms is proven and seamless to deploy, and is used by globally recognized leaders within the insurance, credit card, algorithmic trading and consumer packaged goods industries.
    machine-learning
    saas
    ai
  • Disqus
    Disqus (s2007)Acquired • 11 employees • San Francisco, CA, USA
    We love the internet, and the colorful characters and interesting conversations that make up its diverse communities. Disqus exists to make better communities and an even better web. Today, our product ecosystem includes our established comment network (over 4 million websites that cover pretty much any topic imaginable), a growing advertising network, and our owned and operated platform. Originally founded in 2007 by CEO Daniel Ha and CTO Jason Yan, we’re changing the way people get into discussions about the things they love -- or are just curious about.
    community
  • SourceDNA (s2015)Acquired • 6 employees • Oakland, CA, USA
    Track code in iOS and Android apps with our software similarity web service. Discover code quality, origin, and intent with our in-depth scan. Our patent-pending analysis engine can match up code and find variants, cross-platform. See our public report on SDK marketshare at http://sourcedna.com/stats
    analytics
  • Crocodoc
    Crocodoc (w2010)Acquired0 • San Francisco, CA, USA
    Crocodoc developed the world's most advanced web-based document viewing and collaboration technology for Microsoft Office and PDF files, built on open standards such as HTML5 and CSS3. Whether viewing a document, adding comments to a presentation, highlighting an e-textbook, or filling out a form, we make it easy for companies to create amazing experiences for their users with technology that is secure, scalable, and trusted by top brands in the consumer and enterprise space. Every month users upload millions of documents to Crocodoc, whose customers include top brands such as Dropbox, Yammer, LinkedIn, SAP, and Edmodo. Crocodoc was founded in 2007 and is funded by Y Combinator, SV Angel, 500 Startups, and top angel investors including Joshua Schachter, Paul Buchheit, Steve Chen, and Shan Sinha.
    documents
    saas
  • Creative Market (w2010)Acquired • 11 employees • San Francisco, CA, USA
    Creative Market is a marketplace for ready-to-use design assets, including fonts, graphics, templates, add-ons, photos, and themes, from independent creators around the world.
    marketplace
    design
  • Zaraz
    Zaraz (w2020)Acquired • 2 employees • San Francisco, CA, USA
    Zaraz makes any website 40% faster with a single line of code, by optimizing how it loads third-party tools. This results in 2x conversion rates and better SEO rankings.
    saas
    b2b
  • Clutch (s2011)Acquired • 2 employees • San Francisco, CA, USA
    Clutch.io builds tools for mobile application developers. Clutch's line of tools helps developers overcome some common problems with mobile app development including A/B testing for mobile apps as well as a framework that enables developers to iterate much faster.
    developer-tools
  • GazeHawk
    GazeHawk (s2010)Acquired • 2 employees • Mountain View, CA, USA
    GazeHawk provides low-cost eye tracking technology for use in usability studies and ad evaluation. Our proprietary technology allows us to use ordinary webcams to run studies. This enables in-home eye tracking, as well as fast, affordable large-scale studies.http://www.gazehawk.com/
    computer-vision
  • FeaturePeek
    FeaturePeek (s2019)Acquired • 4 employees • San Francisco, CA, USA
    FeaturePeek creates supercharged deployment previews of your frontend that you can share to quickly get feedback on your implementation in progress. A drawer overlay is added on top of your site that makes it easy for your reviewers to take screenshots with annotations, capture screen recordings, leave comments, create tickets on popular bug-tracking platforms, and more. You get this functionality just by deploying to FeaturePeek — no dependencies or code changes needed.
    developer-tools
    saas
  • Mailgun (w2011)Acquired • 51 employees • San Francisco, CA, USA
    Mailgun is a developer-focused email delivery platform that empowers companies to send, receive, and track transactional and marketing emails through an API. Founded in 2010, Mailgun became a Y-Combinator success story later acquired by Rackspace. In February 2017, Mailgun spun back out as a standalone business focused on building best-in-class email deliverability solutions. We are headquartered in San Antonio with remote teams in San Francisco and Austin. Customers like Slack, Lyft, Github, and Reddit rely on Mailgun to deliver email to their customers.
    api
    email
  • Kimono Labs (w2014)Acquired • 11 employees • San Francisco, CA, USA
    Kimono Labs lets people turn websites into structured APIs from their browsers in seconds. We are based in San Francisco, California and graduated from the Y Combinator startup accelerator. Our main product, a bookmarklet or chrome extension, enables users to scrape and crawl websites without any programming required.
    apis
  • Pyroscope
    Pyroscope (w2021)Acquired • 5 employees • Oakland, CA, USA
    Pyroscope is an open source continuous profiling platform. With just a few lines of code it will help you debug performance issues and find bottlenecks in your code.
    developer-tools
    saas
    open-source
    kubernetes
  • URX (s2013)Acquired • 11 employees • San Francisco, CA, USA
    URX empowers publishers to monetize mobile content and enables advertisers to drive mobile commerce. The world's most forward-thinking companies use URX to connect users directly to relevant commerce experiences. URX is headquartered in San Francisco and has raised $15M from Accel, Google Ventures, First Round Capital, SV Angel and Y Combinator.
    advertising
  • Opsolutely (s2016)Acquired • 2 employees • San Francisco, CA, USA
    The best way for businesses to ship software. Opsolutely empowers engineering teams to be more productive, inclusive, and collaborative by making the most challenging and chaotic part of their software creation process safe, easy-to-use, and friendly for every member of the team.
    devops
  • Scaphold.io (w2017)Acquired • 2 employees • San Francisco, CA, USA
    Scaphold is the world's most powerful GraphQL as a service platform. The platform will provide a number of services including push notifications, analytics, file storage, custom code, multiple environments, and more to allow developers to build mobile, web, and IOT applications. Our innovative use of GraphQL is the big game changer here. We’re convinced that it’s the future of APIs and we want to make it readily accessible to everyone else.
    api
  • OneGraph
    OneGraph (s2018)Acquired • 2 employees • San Francisco, CA, USA
    Connect Twitter, GitHub, Stripe, Salesforce, and more through the power of GraphQL. Acquired by Netlify in Q4 2021.
    api
    graphql
  • Avametric (w2014)Acquired • 11 employees • San Francisco, CA, USA
    Avametric is a privately-held AR and simulation company working to revolutionize the fashion and retail industries. We were founded in 2012 and centrally located in the thriving San Francisco neighborhood of SOMA. Our software platform provides automated content creation for brands, retail & e-commerce sales tools, and increased efficiency in garment design & development. By working on both enterprise-facing tools for design and consumer-facing tools for virtual fitting rooms, we are excited to transform visualization experiences in fashion and bring traditionally physical experiences to the virtual space. We are proudly backed and supported by our lead investors at Khosla Ventures and, together, we look forward to changing the way people shop and design clothing globally. Sound like you? Find your fit at our careers page: https://www.avametric.com/careers/
    augmented-reality
    e-commerce
    fashion
  • Apptimize
    Apptimize (s2013)Acquired • 50 employees • San Francisco, CA, USA
    Apptimize enables organizations to enhance their native iOS and Android apps to create amazing user experiences, improving acquisition, engagement, and retention. We do this with a platform that empowers product teams to efficiently run A/B tests, make instant updates, and personalize user experiences through staged and segmented rollouts. Apptimize, based in San Francisco, is backed by US Venture Partners, Google Ventures, Y Combinator, and others. Top apps including The Wall Street Journal, Vevo, HotelTonight, and Strava use Apptimize to continuously drive mobile growth.
    saas
    b2b
  • Actiondesk
    Actiondesk (s2019)Acquired • 4 employees • San Francisco, CA, USA
    As easy and flexible as a spreadsheet, as powerful as a BI tool
    saas
  • Gigster
    Gigster (s2015)Acquired • 51 employees • San Francisco, CA, USA
    Gigster is democratizing access to software by enabling organizations harness the best teams regardless of where they are in the world. Businesses with access to custom software have thousands of times more leverage than those without. We believe that by democratizing access as well as the ability to build great software we can increase the pace and efficiency of human advancement. Core to our approach is building the best place to work on the internet. We are building the largest network of exceptional engineers, designers, and product managers and making this network available to businesses. We are also using software and insights from thousands of projects to improve the odds of successful outcomes. Gigster is backed by Andreessen Horowitz, Redpoint, Marc Benioff, Adam D'Angelo, Michael Jordan and others. Gigster has served well over 1000 customers including multiple F100 companies spanning a range of industries.
  • 280 North
    280 North (w2008)Acquired • 11 employees • San Francisco, CA, USA
    280 North is a web application company based on their proprietary application framework, Cappuccino. Along with Objective-J, Cappuccino provides a complete toolkit to develop rich web applications. It's modeled after a proven desktop development environment, and has been released as an open source project under the LGPL. 280 North's first application, 280 Slides, enables anyone with a web browser to quickly and easily create beautiful presentations. 280 Slides takes advantage of the web by making it trivial to find and include great media in your presentation. We also built in advanced features like importing and exporting PowerPoint documents, so your data is always portable.
  • Authy
    Authy (w2012)Acquired • 201 employees • San Francisco, CA, USA
    Authy provides strong authentication for the connected world, protecting people and the enterprise against malicious attacks. Our two-factor authentication (2FA) security solution enables organizations to minimize risk while enhancing the user experience. Authy 2FA provides a fast-to-implement, highly scalable and proven 99.999 % reliable alternative to passwords. Used by 11,000+ websites serving 2 million consumers worldwide, it's designed to give users the ability to self-service or easily manage their own 2FA experience. Coinbase, CloudFlare, Humble Bundle and Twitch.tv are just some Authy clients. Authy is a Twilio company. Follow us on: Twitter at @Authy Facebook at https://www.facebook.com/authysec Google+ at https://plus.google.com/+Authy GitHub at https://github.com/authy
    security
  • RunKit (s2016)Acquired • 2 employees • San Francisco, CA, USA
    RunKit is the best tool for prototyping server-side JavaScript. RunKit notebooks remove the friction of trying new ideas. With one click, you'll have a sandboxed JavaScript environment where you can instantly switch node versions, use every npm module without having to wait to install it, and even visualize your results.
  • Berbix
    Berbix (s2018)Acquired • 39 employees • San Francisco, CA, USA
    Berbix’s mission is to enable all individuals to prove who they are and control how their information gets shared. Founded by the former engineering and product leaders for Trust & Safety at Airbnb, we empower companies to confidently answer the question: “Are you who you say you are?"​ This is a question many online platforms need to answer about their users. We solve that problem by offering best-in-class ID verification and proprietary fraud detection technology to our customers, which they can access through developer friendly SDKs. We serve customers in a broad variety of industries, recently raised our Series A led by Mayfield, and are actively growing our all-star team.
    saas
    identity
  • Fig
    Fig (s2020)Acquired • 5 employees • San Francisco, CA, USA
    Fig is re-imagining the terminal. We make it more accessible to beginners and more productive for advanced engineers Our first product is autocomplete, but we plan to expand into a full App Store ecosystem for the Terminal. We can do a bunch of cool stuff, check out our website. And if you're interested, we are hiring 😀
    developer-tools
    devsecops
    open-source