Level layout: - SonED v(what's the latest version?) *Win32* *DOS??*-- ?? I forget ?? Sound and music: - Porter v(what's the latest version?) *Win32* -- S2 commercial - Sonic QX v0.31 beta (build 15) *Win32* -- S2 beta - Sonic Sound Editor v0.02 beta *DOS* -- S1 revision 00 and 01, S2 commercial Special stage: - Ultra Maze-O-Matic System *DOS* -- S1 revision 00 - SSE v1.00 (build 2) *Win32* -- S3K Misc: - Sonic Display Editor v0.70 beta *DOS* -- S1 revision 00 and 01, S2 commercial That's the main idea. List utilities and what the latest versions of those utilities are and what they modify "specifically". I'll be adding some that I know about, and hopefully with your help there will be ten times more than what I'll have. Also, feel free to correct anything I have 'so far'. This is intended to help people new to the community.