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.
trustshare - Escrow payments for marketplaces in 5 lines of code
ProjectLocker - ProjectLocker offers managed code hosting solutions.
Codebase - Code hosting platform with project management tools built for professional development teams. Includes source tree browser, in-line comments, notes and a powerful ticketing system.
XP-Dev.com - XP-Dev.com provides commercial grade Subversion Hosting (SVN Hosting) and Project Management tools.
Codekeeper - Source code escrow for developers