It's Magit! A Git Porcelain inside Emacs.

Prelude is an enhanced Emacs 25.1+ distribution that should make your experience with Emacs both more pleasant and more powerful.

Project Interaction Library for Emacs

Emacs incremental completion and selection narrowing framework

Multiple cursors for emacs.

Emacs mode for the Go programming language

Live web development in Emacs

EditorConfig plugin for Emacs

Fuzzy matching for Emacs ... a la Sublime Text.

The missing hash table library for Emacs

[DEPRECATED] The Clojure Cheatsheet for Emacs

An alternative to Magit and Vc using Helm to manage git projects

Reverse-engineering tools for Android applications