GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
tig - TIG Software Updates & Expansions. Download the most up-to-date, innovative software solutions for your TIG welder instantly to a memory card for enhanced performance.
Gerrit Code Review - OpenSource Git Code Review Tool
Sublime Merge - Fast git client with integrated merge tool from the makers of Sublime Text
Phabricator - Phacility - Phabricator
Bit - Easily share reusable components between projects and applications to build faster as a team.