GraphStudio is a open source free "GraphEdit" tool. The main reasons for this project were lot of cool features missing in GraphEdit tool. Features: Detailed System, Filter, Pin, MediaType information, Reports, Registry modification (add/remove types for filters manually), Information on registered filters , CLSID, name, file, version, location …), Detection of broken registry entries, Easier graph construction, Support for DVB, DVD, Capture graphs, Inspection of media type formats including header parsing for existing codecs such as H.264, MPEG-2 …, Dumping of media type formats for later analysis, and many more …. May require XMLLite.dll