scriv : Scriv is a command-line tool for helping developers maintain useful changelogs. It manages a directory of changelog fragments. It aggregates them into...
Weblate : Weblate is a free web-based translation tool with tight Git integration. It features simple and clean user interface, propagation of translations acro...
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.