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

12 Days of Hacxmas

Leading up to the holidays we are hosting our last open hackathon of the year on Gitcoin.co! Join the festivities and celebrate with us another year of buidling.

Dec 1, 2022 - Dec 12, 2022

Sponsored by bcnmy ledgerhq nextdotid aelfproject

Ubeswap Destiny Hackathon

Join us as Ubeswap evolves to reach its destiny of full community control! The endgame of complete decentralization is near. Unite with other Great Ape minds at the Ubeswap Discord discussion table and share in the purple potato feast!

Nov 14, 2022 - Dec 12, 2022

Sponsored by celo-org ubeswap

The Illuminate/22 Hack by Moonbeam

A hackathon for cross-chain connected applications. This hackathon is the perfect place to experiment with Connected Contracts approaches to your DApps, with guidance and mentorship from protocol experts.

Nov 14, 2022 - Dec 12, 2022

Sponsored by hyperlane-xyz axelarnetwork layerzero-labs moonbeam-foundation

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