Separate fields for each input, as to help the forgetful.
Drag & drop ready.
Automatically names tracks and gives them a language (editable in options.)
Automatically add a CRC32.
Automatically create a patch file (useful if releasing on a different machine.)
Collect fonts from the .ass script(s).
Name the file automatically using a predefined naming mask in the options.
Windows based, and requires MKVToolNix installed (it’s only a GUI after all.)
I’ve only tested it in Windows 7, but it should work with XP + I believe.
Error handling isn’t very good atm, so you might very well crash it if you try to do something illegal.
Check the HMux page for more info.
Find any bugs, or have any suggestions, let me know.