The project has been moved in Github since v2.9.0 https://github.com/Gpower2/gMKVExtractGUI
A GUI for mkvextract utility (part of MKVToolNix) which incorporates most (if not all) functionality of mkvextract and mkvinfo utilities.
Written in C# .NET 4.0, in order to attain high compatibility with Windows OS (WinXP and newer Windows), as well as Linux through Mono (v1.6.4 and newer), and perhaps OSX (not tested).
Convert mkv/avi files in h264 to mp4 files without re-encode video stream. Subtitle will be embed as soft subtitle.Convert speed is fast as video is not re-encoded.Works on iPad.mp4box, mkvextract, beSweet,eac3to,mediainfo are used.