G Hfield (gman211)

MapsMap

Online

Build an app for open source collaboration on maps of problems through crowdsourcing and crowdfunding.

$61,000 in prizes
Winners announced
316 participants

Flutter Puzzle Hack

Online

Push your creativity to its limits by reimagining this classic puzzle!

$51,046 in prizes
Winners announced
5481 participants

Stellar NFT Hackathon @SXSW

Online

Build innovative NFT experiences on Stellar

$8,500 in prizes
Winners announced
233 participants

Cosmos HackAtom VI

Online

Enter the Cosmos and compete in this hackathon for $1,285,000 prizes in ATOM.

$1,310,000 in prizes
Winners announced
1928 participants

Celo's Make Crypto Mobile Hackathon

Online

Make Crypto what it should be; — Mobile. Accessible. For everyone.

$2,572,000 in prizes
Winners announced
2325 participants