Connect And Build With Top Open Source Developers

Gitcoin is home to an exceptional blockchain community. Develop lasting relationships and technologies here.

Connect on Gitcoin

Join the Kernel Fellowship

Join a cohort of Web3’s brightest minds and create the next great open source project. Build a lifetime community through weekly workshops, roundtable discussions, and direct connection with accomplished mentors.

Gitcoin is the town square of Web3. Find collaborators and squad up to take on bigger and better projects.

Tackle bounties and hackathons sponsored by established and up-and-coming Web3 organizations, and develop your reputation as an open web builder.

Connect with top developers

If you were in a room with 250 of the brightest minds in Web3 for 8 weeks, what would you build?

Successful Projects

Swivel Finance

Swivel a the decentralized protocol for fixed-rate lending and interest-rate derivatives. Swivel v1 will facilitate trustless interest-rate swaps, allowing cautious lenders to lock in a guaranteed yield, and speculators to leverage their rate exposure.


EPNS is a decentralized DeFi notifications protocol which enables users (wallet addresses) to receive notifications. Using the protocol, any dApp, smart contract or service can send notifications to users(wallet addresses) in a platform agnostic fashion (mobile, web, or user wallets)

The Kernel fellowship program is an opportunity to join a lifelong network of talented individuals and mentors in blockchain.

Alex Masmej TryShowtime
Simona Pop Status
Devin Walsh Ex-Coinfund
Val Mack Cornell Alum

Meet other passionate builders in hackathons

Unlocking Web3 for the Arts & Culture

Builders, designers and creators, unite! Work together with 8 prominent cultural institutions from all around the world to create the building blocks of and open source and decentralized future to empower artists & museums all over the world to enter the possibilities of Web3.

May 25, 2022 - Jun 20, 2022

Sponsored by tezos-contrib

ETH Shanghai Hackathon

Join us to BUIDL the next generation social applications! In the two-week hackathon, we offer a variety of online workshops, grants, mentorship. Come to team up with developers, creators, and entrepreneurs worldwide. You can participate with/without coding background.

May 20, 2022 - May 31, 2022

Sponsored by infura arweaveteam graphprotocol maticnetwork

Grants Round 14 Hackathon

Jun 8, 2022 - Jun 29, 2022

Sponsored by gitcoinco vitelabs zilliqa bcnmy

I was surprised to learn I could progres on building the next phase of Bloom Network in parallel to deep dive of learning more about Web3 quickly. This fellowship has so far been the fastest skill upleveling experience I’ve ever had. Also wins - developing deeper relationships with people and projects I already knew of.

Magenta Ceiba

Magenta Ceiba

Have questions before you start with Gitcoin?

Meet the Gitcoin community in Discord.

Ready to connect?

Connect through fellowship

Join the Kernel fellowship program and receive mentorship and access to a lifelong community.

Explore Kernel

Connect through building

Connect with your peers while working on top open source projects.

Explore Hackathons