VC-on-Web is an online client for multiple version controls. It is currently support Bazaar.
This project is created by NawaMan (http://nawaman.net/). It is planned to be opensourced when the code is properly refactored.
KNOWN PROBLEM: VC-on-Web is very slow. This is because of two factors:
Caching has been employed as the nature of version control permits. This includes every pages except for the list of revision and branches.
Hope this problem can be tolerated.