Gitea

To replace GitHub you can use Gitea since it respects the user's freedom and is also a Git Service software.

Also it can access data from 1 of the same network protocols as GitHub such as: GIT and can publish data to 1 of the same network protocols as GitHub such as: GIT.

Documentation Source code Website Wikipedia

Gogs

To replace GitHub you can use Gogs since it respects the user's freedom and is also a Git Service software.

Also it can access data from 1 of the same network protocols as GitHub such as: GIT and can publish data to 1 of the same network protocols as GitHub such as: GIT.

Source code Website

Forgejo

To replace GitHub you can use Forgejo since it respects the user's freedom and is also a Git Service software.

Also it can access data from 1 of the same network protocols as GitHub such as: GIT and can publish data to 1 of the same network protocols as GitHub such as: GIT.

Source code Website