gollum : A simple, Git-powered wiki with a sweet API and local frontend.
Gitkube : Gitkube is a tool for building and deploying docker images on Kubernetes using git push.
DeepGit : DeepGit is a tool to investigate the history of source code. It combines Git Blame and Log information and makes it easy to trace changes to a line or...
Beekeeper Studio : Open Source cross-platform SQL Editor and Database Manager. Use Beekeeper Studio to query and manage your relational databases, like MySQL, Postgres, ...
Gerrit : Web based code review and project management for Git based projects.
Git Extensions is the only graphical user interface for Git that allows you control Git without using the commandline. It comes with a manual and video tutorials to get you started quickly.