TODO - I have shitloads of notes in my backlog.
Operating Systems > Windows >
An incredibly popular operating system, and a benchmark from to many other applications and newer operating systems are compared.
I used it, and although it needed heavy modification, I did love it. It's still in my toolkit just in case I need a complete operating system to use software in my archives.
An audio player which can deal with many formats.
I keep this around because it can handle oldschool formats quite well (Commodore 64's SID, .mod, etc.). See Oldschool music.
Ruby > Ruby web programming > Mongrel
This seems to only be for Rails.. I don't understand it and there is no newbie-friendly documentation to explain the basics.