oggplay : p800 vorbis player
VirtualDub : Video encode/capture
Dscaler : Realtime Deinterlacer/scaler/Filter/TV viewer with quality that rivals pro hardware.
Guild ftp : Gui Server
dmC : quick n dirty format transfers
VLC player: Plays DVDr images in compressed rar files while downloading.. need I say more?
ReClock : Re syncs video to your refreshrate to avoid tearing on TVs/display.
Lots of emulators and old software for them.
Not shure if Lame or Xvid really are freeware.. open source educational but close enough I guess.