Community Startups funded by Y Combinator (YC) in the San Francisco Bay Area 2024

April 2024

Browse 25 of the top Community startups funded by Y Combinator. Headquartered in the San Francisco Bay Area, 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.

  • Reddit
    Reddit (s2005)Acquired • 2,000 employees • San Francisco, CA, USA
    Founded by Steve Huffman and Alexis Ohanian in 2005, Reddit is an online community where users submit, vote, and comment on content, news, and discussions. Nicknamed "the front page of the internet,"​ Reddit is one of the top ten sites in the United States (source: Alexa), with hundreds of millions of users each month on desktop, mobile web, and our official Android/iOS apps. Interested in joining our growing team? Check out about.reddit.com/careers
    community
    social-media
    social
    social-network
  • Twitch
    Twitch (w2007)Acquired • 2,000 employees • San Francisco, CA, USA
    Twitch is the world’s leading video platform and community for gamers. More than 100 million gamers gather every month to broadcast, watch and chat about gaming. Twitch’s video platform is the backbone of live and on-demand distribution for leading video game broadcasters including casual gamers, pro players, tournaments, leagues, developers and gaming media organizations. Twitch is leading a revolution in the gaming community, working to create a participatory experience that transcends gameplay. Learn more at http://twitch.tv.
    community
    gaming
    social-media
    video
    social-network
  • DevColor (w2016)Active • 7 employees • San Francisco, CA, USA
    dev/color is a non-profit organization that aims to maximize the impact of Black software engineers. Our mission is to provide Black engineers with the connections and skills needed to start and stay in the industry, and advance into leadership roles. We’re a community for software engineers, by software engineers. We work with members throughout their careers, from college to industry, through mentorship, goal setting and events.
    education
    community
    diversity-&-inclusion
  • Replicate
    Replicate (w2020)Active • 27 employees • San Francisco, CA, USA
    artificial-intelligence
    developer-tools
    machine-learning
    community
    open-source
  • Cabal
    Cabal (s2021)Active • 8 employees • San Francisco, CA, USA
    Cabal helps founders get more out of their investors and advisors. We do this by providing a private workspace for founders to send asks & updates, track contributions, and get warm intros to prospects and candidates.
    saas
    b2b
    community
  • Elpha
    Elpha (s2019)Active • 6 employees • Oakland, CA, USA
    Elpha is where women succeed at work together. Our members come to Elpha for personal and professional development, to find jobs and to make friends.
    community
    recruiting
  • Plura (formerly Bloom Community)
    Plura (formerly Bloom Community) (w2020)Active • 5 employees • Oakland, CA, USA
    Plura (formerly Bloom Community) is a YCombinator backed startup based in Oakland, CA on a mission to use software to bring people together. Plura is a consent-forward social and dating community that helps you meet new friends and partners organically through shared events and experiences. We partner with local event producers to help you connect and chat with other attendees before and after events. And, with a strong consent culture and referral-based community, we're the safest place to meet new partners and friends. The team is led by Lauren Vegter. Lauren spent 5 years at Facebook, most recently leading viral user growth for Instagram from 700M to past a billion users in two years.
    community
  • Wakie
    Wakie (w2016)Active • 10 employees • Menlo Park, CA, USA
    Users perform millions of calls and send hundreds of millions of messages every month. The topics vary from language practicing to mental issues to personal life conversations.
    mental-health-tech
    community
    social-media
  • Venu AI
    Venu AI (w2021)Active • 5 employees • San Jose, CA, USA
    Build your community with Venu AI, the community building, B2B connections, and event marketing platform for enterprise.
    b2b
    community
    sales
    marketing
    ai
  • Flow Club
    Flow Club (s2021)Active • 6 employees • San Francisco, CA, USA
    https://www.flow.club/ is a virtual co-working space where people work in high-intensity sprints designed to double their productivity. We envision a world where... - anyone can access deep, focused flow anytime, anywhere - working independently or remotely doesn’t have to feel like you're on your own Our mission is to build the software that powers the most inspiring and productive work environment for knowledge workers. Our members love Flow Club (https://www.flow.club/wall-of-love). We’re growing quickly, just presented at Y Combinator's Summer 2021 Demo Day, raised $5M, and hiring our founding team. We are backed by Worklife Ventures, a firm investing in companies re-designing the way work gets done in the future, and 100 more of the world's best investors and operators. Among our investors are Paul Graham and the founders of iconic companies like Dropbox, Mercury, Quora, Outschool, and Sendbird. Finally, we are inspired by our members and hosts who we see everyday working out of Flow Club building the most incredible things. They remind us great things are built incrementally, one step at a time.
    consumer
    community
    productivity
    health-&-wellness
    remote-work
  • Taro
    Taro (s2022)Active • 3 employees • Redwood City, CA, USA
    Taro members get access to insider advice on how to get promoted at their company, detailed data on compensation, and invitations to exclusive networking events. Taro focuses on the non-coding parts of the job, with content + Q&A from leads at top tech companies, organized by level + company. The result is faster career growth for software engineers: improved onboarding, promotion, and pay increases. Sample topics include how to optimize performance review, effective code review, and faster onboarding. These are the skills essential for career growth that don't get taught in schools or bootcamps.
    developer-tools
    education
    community
    video
    creator-economy
  • Leaders In Tech (formerly InnerSpace) (s2015)Active • 1 employees • San Francisco, CA, USA
    Leaders In Tech Fellows is a 10-month program limited to 72 hand-picked founders nominated by the tech community for their commitment to building high-performing and culturally-healthy organizations. The Fellows program is based on the legendary Interpersonal Dynamics ("Touchy Feely") class at the Stanford Graduate School of Business and is led by Carole Robin former faculty director and matriarch of that program. 146 Fellows alumni now run companies valued at over $50B that employ thousands of people.
    community
  • Kopa
    Kopa (w2019)Active • 6 employees • San Francisco, CA, USA
    Kopa is the marketplace for monthly rentals and compatible housemates. We believe that exploration and community make people whole. Kopa exists to inspire people to get out of their comfort zones, to form lasting relationships, and to live more fulfilled lives. Kopa enables people to browse rentals, find roommates, and book and pay for spaces all online.
    marketplace
    housing
    community
  • Shimmer
    Shimmer (s2021)Active • 6 employees • San Francisco, CA, USA
    Shimmer provides ADHD coaching to people with ADHD or executive function challenges. Shimmer was born from a group of ADHD coaches, psychiatrists, doctors, and engineers to create a personalized, action-oriented playground for you and your coach to explore. We're not another list, calendar, or app: we're real human interactions paired with expert strategies, so that you can make real changes in your life. Come check us out! Our ADHD coaches partner with you to co-design a plan to achieve your goals. You'll experiment with strategies on a weekly basis to implement a routine fit specifically for you. Our program has been designed off science-backed methods in partnership with NYU, UC Berkeley, and UCSF.
    mental-health-tech
    community
  • Beeper
    Beeper (s2021)Acquired • 16 employees • Palo Alto, CA, USA
    We're building the best chat app on earth. Beeper connects to 15+ different chat networks. Unified search, advanced filtering and more. Available on Desktop, Android, iPhone and iPad. The idea is simple: messaging today is painfully fragmented. We're going to fix that. Every time we communicate there is friction lurking under the surface. E.g. Which app did I message her on? Where's that photo gone? Why can't I join an iMessage group from my Android? Our mission is to eliminate that friction and boost the efficiency of the entire human race.
    saas
    community
  • Jemi
    Jemi (s2020)Acquired • 3 employees • San Francisco, CA, USA
    Our mission is to help creators and entrepreneurs grow online. We do this by helping them build a beautiful website and online store with no coding or design background.
    saas
    entertainment
    community
  • 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
  • Parenthoods (s2014)Acquired • 2 employees • San Francisco, CA, USA
    Parenthoods is a community platform for local parents to meet up, share advice, and help each other conquer one of life’s most craziest rides…parenthood.
    community
  • Product Hunt
    Product Hunt (s2014)Acquired • 18 employees • San Francisco, CA, USA
    Product Hunt surfaces the best new products, every day. It's a place for product-loving enthusiasts to share and geek out about the latest mobile apps, websites, hardware projects, and tech creations. Community members can submit, browse, vote and comment on daily submissions of products and collections of products. They also get the opportunity to interact directly with product creators, investors, journalists, as well as, an active community of people who are passionate about products.
    community
    media
  • Heysan
    Heysan (w2007)Acquired0 • San Francisco, CA, USA
    Heysan was a free mobile messaging and community based in San Francisco, California. Initially Heysan provided free messaging between phones and computers, bridging IM with SMS. The service expanded into launching a mobile community and has over 1 million users doing tens of million of monthly messages. In the summer of 2007 Heysan raised a seed round from Khosla Ventures and Atomico, the venture funds of Vinod Khosla and Niklas Zennstrom. Heysan was acquired by Good Technology in May 2009.
    community
    messaging
  • Glimpse
    Glimpse (w2020)Acquired • 5 employees • San Francisco, CA, USA
    Deeply engage groups of 4 to 400,000 through 1-on-1 video chats. Match back to back for round-robin chats or use typed rooms for enhanced pairings. Play games, take pictures, and more!
    community
    social
  • 1000Memories (s2010)Acquired • 2 employees • San Francisco, CA, USA
    1000memories is the new shoebox for your old photos. 1000Memories allows people to organize, share, and discover old photos and memories and set up family trees.
    community