ICEdit is a web-based open source IDE built as a replacement for the standard
desktop-installed IDE's. ICEdit allows you to work your site from anywhere and anytime!
Codendi is a collaborative solution for application lifecycle management. It gathers from a web-based interface, the tools used by software teams: issue trackers, SVN, GIt, hudson, docman, workflow...At the origin it is a fork from SourceForge.net.
Orangeblueprint (OBP) takes a fresh Ubuntu install and sets up a locally hosted website/management interface to administrate trac projects and Subversion ('d) code. Easy to create/delete trac projects, add/remove users from trac projects, post ideas.