Code Maat : Code Maat is a command line tool used to mine and analyze data from version-control systems (VCS).
gollum : A simple, Git-powered wiki with a sweet API and local frontend.
Concourse : Concourse is a pipeline-based CI system written in Go.
Rather than a myriad of checkboxes, pipelines are defined as a single declarative config file, ...
Weblate is a free web-based translation tool with tight Git integration. It features simple and clean user interface, propagation of translations across subprojects, quality checks and automatic linking to source files.