gitflow : Git extensions to provide high-level repository operations for Vincent Driessen's branching model.
lefthook : Fast and powerful Git hooks manager for Node.js, Ruby or any other type of projects.
Fast. It is written in Go. Can run commands in parallel.
Powerfu...
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.