Git

Main

Offical Site - offical documentation with system;

Cheatsheet

Git - git cheat sheet;
Git Hint - not just another git cheat sheet;

Services

Git How To - guided tour that walks through the fundamentals of Git;
Git Command Explorer - list of git commands;
Learn Git Branching - git online tutorial;
Git Attributes - create .gitattributes file for your project;
Visualize Git - visualizations git powered by D3;