Thee Gran Dive X
- Commentary, links and reviews with an underground perspective.
- http://www.macdgran.com

TUW
- Fever's updated list of underground links.
- http://homepages.paradise.net.nz/teacher/TUW.html

WDSecurity
- Homepage of WeeDo, developer of GrouchySmurf and StreamEdit.
- http://weedo.accesscard.org

CowFight
- Team of Macintosh underground developers, creators of ZapAttack, MacSmurf, SYNer and Cyanide.
- http://www.cowfight.com

AccessCard
- Links to Macintosh underground sites.
- http://www.accesscard.org/

Team2600
- Team2600 is the oldest Macintosh-only underground group now defunct and unmaintained.
- http://team2600.accesscard.org/

mSec
- Developers and administrators dedicated to forwarding the MacOS as a viable and secure network server environment.
- http://www.msec.net/