Version 0.40 (Full Version, 1.23Mb) Can be downloaded here
Version 0.40 (DLL Only, 182Kb) Can be downloaded here
NOTE: DLL only version will only work if you already had Oak II installed!
Version 0.33 And Above Supported Player Models here

Version 0.03 of the Rocket Arena Bot can be downloaded here

Version 0.2 of the Bot Launcher here
Version 1.31 of the path Optimiser here
Version 0.1 of the Visual Node Editor here

Should you have problems accessing them here the files are mirrored on:

ftp.cdrom.com/pub/quake/telefragged/oak/

which you can access through ftp.