Blogroll for tag project+hosting
Savannah - A open source software hosting service from gnu
Google Code - Google's software project hosting service for Google's and other projects
On the savannah, where the gnu roam... (Free Software Foundation)
Launchpad - A on-line project hosting service by Canonical (aka ubuntu)
SourceForge.net - One of the first opne source project hosting service
GitHub - The next generation of source code and project hosting