https://radicle.dev/ Peer-to-peer code forge.

https://tangled.org/ Code forge based on AT Protocol.

They're curtains for Zoosha. An alternative to Poob (which is now on Pheebo).

EDIT: sorry I felt too bad not to leave an explanation

https://knowyourmeme.com/memes/curtains-for-zoosha

https://knowyourmeme.com/memes/poob-has-it-for-you

Radicle: decentralised GitHub

Tangled: centralised Radicle