Gitea : Gitea is a community managed fork of Gogs, lightweight code hosting solution written in Go and published under the MIT license.
Sourcegraph : Sourcegraph Server is a free, self-hosted code search server that integrates with your code host and supports multi-repository, regexp, and diff searc...
YunoHost : YunoHost is a server operating system aiming to make self-hosting accessible to everyone.
Radicale : The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.
Gerrit : Web based code review and project management for Git based projects.