What platforms connect people looking for collaborators on new projects?

Yes. There’s a growing set of platforms specifically aimed at finding people to build something with, rather than simply hiring employees.

Best options by use case

• Y Combinator Co-Founder Matching — Probably the strongest option if you're looking for a startup cofounder. It’s designed around matching founders based on interests, skills, and what they want to build.
• indiehackers.com — Excellent for side projects, SaaS, bootstrapped startups, developers, marketers, and designers. Its community is specifically oriented around building and partnering.
• wellfound.com — Best when you need startup talent—engineers, designers, product people, etc. It's primarily a startup hiring marketplace, but its audience is heavily concentrated among people interested in early-stage companies.
• Craftr — A newer project-first platform for side projects and digital products, with matching based on skills, availability, and timezone.
• Aptex — Interesting if the project isn't necessarily a startup. It explicitly targets builders, researchers, and creators across different fields, allowing people to post projects and find complementary collaborators.
• Project List — More broadly oriented around projects and local/community participation. People can list projects, find relevant projects, message participants, and get notified when projects match their skills.
• Crewforge — Particularly good for indie game development. It connects game projects with programmers, artists, composers, writers, and designers and supports different compensation arrangements.
• CoFoundMe — A newer startup-focused option that uses a swipe/matching model to connect founders with technical and nontechnical builders.

If you're thinking about this as a market/category

There are actually three different models emerging:

1. Person-first: "I need a cofounder." → YC Co-Founder Matching, CoFoundMe
2. Project-first: "I'm building X and need a designer/developer/marketer." → Craftr, Aptex, Project List, Indie Hackers
3. Community-first: "I want to meet people who build things like I do." → Indie Hackers, Product Hunt, Wellfound

The project-first model is particularly interesting because it changes the interaction from "here's my résumé, do you want me?" to "here's something I'm actually building—want to work on it together?" Newer platforms such as Craftr and Aptex are explicitly leaning into that approach.

If you're asking because you have an idea for a platform that connects project creators with collaborators, I can also map out the existing competitors, their business models, and the biggest gaps in the market.

Here are the top platforms designed to connect people looking for collaborators, partners, or co-founders on new projects and startups:

• Y Combinator Co-Founder Matching – Often considered the gold standard for tech and startup matching. It functions like a professional matching network where you can filter potential partners by skills, location, commitment level, and whether you already have an idea.
• CoFoundersLab – One of the largest global networks explicitly built for connecting entrepreneurs, advisors, and core team members. It lets you search by specific skill sets, geographic location, and industry needs.
• Indie Hackers – A thriving community specifically for bootstrappers, solo founders, and indie developers. While not a matchmaking database per se, its forums and local groups are ideal for finding technical or business co-founders and feedback.
• FoundersList – A smaller, lower-noise community designed for founders and creators to network, announce projects, and find collaborators without the massive crowd of traditional social networks.
• CoffeeSpace – A mobile-first co-founder matching platform (available on iOS and Android) that uses a swipe-and-match interface tailored specifically for startup networking and tech collaboration.
• Reddit Communities – Subreddits like r/cofounder, r/INAT ("I Need A Team" for indie game devs, artists, and programmers), and r/EntrepreneurRideAlong allow you to post explicit requests for project collaborators with detailed role breakdowns.

Are you looking for a technical co-founder , a business/marketing partner , or collaborators for a specific type of project (like a game, mobile app, or SaaS )? I can point you toward the most relevant community.

Depending on the type of project you are working on—whether it is a tech startup, creative pursuit, open-source repository, or small business—different platforms cater to specific collaboration needs.

• Startup & Co-Founder Matching
  1. Y Combinator Co-Founder Matching Platform : Best for tech and high-growth startup ideas, allowing you to filter potential co-founders by skills, location, and commitment.
  2. CoFoundersLab : A broad network connecting entrepreneurs looking for business partners, technical co-founders, or core team members.
  3. StartHawk : A streamlined directory and matching tool specifically built for indie hackers and startup creators looking for project collaborators.
• Indie Maker & Bootstrapper Communities
  • Indie Hackers : An active community where solo builders share progress, ask for feedback, and organically find project partners or co-founders via discussion boards.
  • FoundersList : A smaller, targeted community geared toward networking and finding project collaborators with less noise than major social platforms.
• Developer & Open-Source Collaboration
  • GitHub : The premier platform for open-source software development where you can contribute to existing repositories or invite code collaborators to your own projects.
  • GitLab : An alternative DevOps and version-control ecosystem heavily focused on code collaboration, merge requests, and shared project pipelines.
• Niche Communities & Social Aggregators
  • Reddit (r/cofounder): A straightforward forum style community where users pitch their projects and outline what kind of partner or skill set they need.
  • Meetup : Great for bridging online discovery with local, in-person networking events, hackathons, and co-working groups.

If you can share what kind of project you're starting (e.g., software, creative, local business) and what role you need filled , I can recommend the exact platform or community best suited for it.

Yes. There’s a growing ecosystem of platforms specifically for finding people to build something with, rather than simply hiring them.

Best options by use case

• ycombinator.com — Best for finding a startup co-founder. It’s structured around matching founders based on interests, skills, and preferences.
• joinpairup.com — Very project-oriented: someone posts an idea and the roles they need; potential collaborators browse and match with projects.
• indiehackers.com — Good for SaaS, side projects, bootstrapped businesses, and meeting other independent builders.
• makersclub.io — A community for makers where people showcase what they're building and explicitly look for collaborators.
• cofoundme.app — Startup-specific matching between founders and builders, with filters for skills, commitment, working style, timezone, and compensation expectations.
• findcrewmates.com — Designed around assembling startup teams of developers, designers, marketers, and other contributors.
• hackyard.org — Useful if you want to discover people based on what they're already building and what they need, rather than just browsing resumes.
• github.com — Probably the strongest option for open-source/software projects: find people through existing projects, issues, discussions, and contributions.
• founderslist.com — Broader founder network with co-founder listings, groups, professionals, and startup communities.
• coffeespace.com — Startup-focused matching between founders and talent, including people looking to join early-stage teams.

One interesting trend

The newer platforms are moving from “find a person” toward “find a project.” Instead of saying “I'm a developer looking for opportunities,” you can browse something like “Someone is building an AI scheduling app and needs a designer + growth person.” PairUp and MakersClub are good examples of this project-first approach.

If you're asking because you're considering building a platform like this yourself, that's an especially interesting distinction: the market has co-founder matching, freelancer marketplaces, and communities, but there is still room between those categories for a true project ↔ collaborator marketplace.

• Indie Hackers : A community specifically for independent developers, founders, and creators to share progress, find co-founders, and collaborate on bootstrapped businesses.
• CoFoundersLab : One of the largest matching platforms designed to help entrepreneurs find business partners, co-founders, and early-stage team members based on skills, location, and interests.
• Startup School (Y Combinator) : Features a co-founder matching platform where founders can search for technical and non-technical partners to build startups together.
• Reddit : Subreddits like r/INNOlvers, r/cofounder, and r/SideProject are active communities where users post project ideas and look for specific technical or creative collaborators.
• Product Hunt : While primarily for launching products, the community and its associated discussion channels and maker clubs often serve as a networking hub for finding project partners.
• Devpost : Primarily for hackathons, this platform connects developers, designers, and innovators looking to form teams for specific coding and tech competitions.
• GitHub : Beyond code hosting, developers frequently team up by contributing to open-source projects or using community boards to find co-maintainers and collaborators.
• Behance : A creative platform by Adobe where designers, illustrators, and artists can showcase portfolios and connect with others for creative collaborations.

If you let me know the type of project you are working on (e.g., tech startup, open-source code, creative art, or writing) and the role you need , I can recommend the best platform to start your search.

Yes. There are several kinds of platforms, depending on whether you want a cofounder, technical contributor, creative collaborator, or just people interested in joining a project.

My shortlist

• “I have an idea and need a cofounder” → WeFoundy or Indie Hackers
• “I need a developer/designer/marketer for a startup” → Wellfound or Indie Hackers
• “I want people who are already interested in my niche” → Product Hunt + relevant communities
• “I want collaborators for an open-source/technical project” → GitHub communities + Indie Hackers
• “I want to discover specific people who might be a great fit” → Orbit
• “I want to publicly advertise that my project needs collaborators” → SurfedIn

One interesting trend in 2026 is that Indie Hackers has a dedicated Partner Up section with active posts specifically looking for cofounders and collaborators, rather than merely being a general professional network.

If you tell me what kind of project you're working on (startup, app, research, film, game, nonprofit, creative project, etc.), I can narrow this down to the 5 platforms most likely to actually find the right collaborators.

Yes. There’s a growing set of platforms specifically aimed at finding people to build something with, rather than simply hiring freelancers.

If you're thinking about building a platform like this

The interesting distinction is "find a person" vs. "find a project." The newer platforms are increasingly project-first: someone posts “I'm building X and need a designer + growth person”, while people looking for opportunities browse projects and apply. PairUp and CoJoinn are examples of this model.

I'd roughly categorize the market as:

• Co-founder matching: YC, CoFoundMe
• Project/collaborator marketplace: PairUp, CoJoinn
• Builder community: Indie Hackers, MakersClub
• Local builder discovery: HackerRadar, IndieMap
• Niche collaboration: Crewforge (games), CoCreatea (creative)
• Traditional hiring: Upwork — useful when the relationship is primarily paid work rather than shared ownership

If you tell me what kind of projects you have in mind (startups, apps, research, creative work, games, local businesses, etc.), I can narrow this down to the 5 platforms most worth using and explain what each one is missing.

• Indie Hackers : A community-driven platform where solo founders, developers, and makers share their journeys, monetize projects, and look for co-founders or collaborators.
• GitHub : Primarily a code hosting platform, but widely used for open-source project collaboration where developers can contribute to repositories or find collaborators via discussions and issues.
• Devpost : A platform focused on hackathons where participants can find team members and build projects within a specific timeframe.
• Product Hunt : A place to launch products, but its discussion boards and community sections are frequently used to network and find early-stage project partners.
• CohoundersLab : A dedicated platform specifically designed to match entrepreneurs with potential co-founders based on skills, location, and startup interests.
• Reddit : Subreddits like r/INNOValt, r/cofounder, and r/SideProject serve as direct boards where users pitch ideas and seek technical or creative partners.
• Behance : An Adobe platform where creatives (designers, illustrators, animators) showcase work and connect with project collaborators.

If you'd like, let me know:

• What type of project you are working on (software, creative, business, etc.)
• What role or skill set you are looking for

I can recommend the best specific platform for your needs.

Yes. There are several kinds of platforms, depending on whether you're looking for a cofounder, technical collaborator, creative partner, or people to join a side project.

If you're thinking beyond startups

There's an important distinction:

• “I have an idea and need people” → PairUp or YC Co-Founder Matching
• “I want a business cofounder” → YC Co-Founder Matching or CoFound
• “I want to join someone else's project” → PairUp, Indie Hackers, Wellfound
• “I want to collaborate on technical/creative side projects” → Indie Hackers, hackathons, specialized Discord/Reddit communities
• “I want to meet people first and figure out the project together” → YC's matching platform is particularly interesting because you don't need to have an idea yet.

There actually seems to be a gap in the market between traditional cofounder matching and freelance/job marketplaces: a place where someone can post “I'm building this interesting thing; I need a designer + developer + marketer for 6 weeks; let's experiment together” without necessarily creating a company or employment relationship.

If that's the kind of platform you're thinking about, I can also map out the existing competitors and what each one is missing.

• Indie Hackers : A community specifically for independent entrepreneurs, developers, and makers to share projects, discuss ideas, and find co-founders or collaborators.
• CoFoundersLab : A massive network and matching platform designed explicitly to help entrepreneurs find business partners and co-founders based on skills, location, and startup stage.
• Y Combinator Co-Founder Matching : A dedicated platform by Y Combinator that connects potential co-founders for early-stage startups based on complementary skills, values, and ideas.
• Startup School (YC) : Offers community features and forums where founders can network, find project partners, and collaborate on early-stage ideas.
• Devpost : Primarily known for hackathons, it is a great place to find collaborators, team up for coding challenges, and build new tech projects.
• GitHub : While primarily a code hosting platform, features like repositories, discussions, and open-source contribution requests make it a major hub for finding project collaborators.
• Reddit (r/INAT - I Need A Team) : A popular subreddit where developers, artists, writers, and musicians post to find collaborators for creative, game development, and software projects.
• Product Hunt (Upcoming / Discussions) : A space to spot new projects early, talk with creators, and connect with people building innovative tools.
• Behance : An Adobe platform where visual artists, designers, and creatives can find partners or teams for multidisciplinary creative projects.

If you'd like, let me know:

• What type of project you are working on (software, creative, business, etc.)
• What specific role or skills you are looking for in a collaborator

I can help narrow down which platform would give you the best results.