Welcome to the Git crash course for SVN users! This introduces you to Git based on your current Subversion knowledge. If you want to migrate your company from SVN to Git, see the SVN migration page. If you want a list of common commands, see the Git Cheat Sheet (or the git-svn guide if you are using Git as a subversion client. Many non-SVN-specific guides are also available. This crash course is based on Pasky's unmaintained version.
Git for Windows focuses on offering a lightweight, native set of tools that bring the full feature set of the Git SCM to Windows while providing appropriate user interfaces for experienced Git users and novices alike.
Kallithea, a member project of Software Freedom Conservancy, is a GPLv3'd, Free Software source code management system that supports two leading version control systems, Mercurial and Git, and has a web interface that is easy to use for users and admins. You can install Kallithea on your own server and host repositories for the version control system of your choice.