NotABug.org - Free open-source code hosting.
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.
XP-Dev.com - XP-Dev.com provides commercial grade Subversion Hosting (SVN Hosting) and Project Management tools.
GitPrep - GitPrep is a Github clone.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Gitote - Software version control made simple.