Woodpecker is a simple CI engine with great extensibility.

Forgejo is a self-hosted lightweight software forge.
Easy to install and low maintenance, it just does the job.

Brought to you by an inclusive community under the umbrella of Codeberg e.V., a democratic non-profit organization, Forgejo can be trusted to be exclusively Free Software. It is a "soft" fork of Gitea with a focus on scaling, federation and privacy.