The CvsGui project is providing several high-end interface clients (WinCvs, MacCvs, gCvs) written in C++ using popular frameworks (MFC, PowerPlant, GTK+) with a scripting support via Python or TCL.
The aim of the project is to build a web based version control system (vcs) in ASP (Active Server Pages). Features include: Multi user (with levels), Checkin/Checkout files, Labeled versions, Discussion on single files.