It appears that there are a range of studio strobes which have various fittings, and it would be good to collate a list so you can work out what accessories work with what lights. PM me, or add to the thread, and I'll update this list at the top for ease of reading.
Strobe Mounts
Alien Bees use Balcar mount. A Bowens S type mount can be modified to fit AB. (thanks Lotto)
Bowens - use the S type bayonet fitting
Calumet Genesis - use Elinchrom bayonet fitting
Elinchrom - use Elinchrom bayonet fitting.
Interfit -
EX 150, and EX D200 use Elinchrom bayonet fitting
Stellar - use S type bayonet fitting
JTL Versalight and Mobilight 200, 300, 500, & 1000 use S type bayonet fitting
Speedring Adaptors
As per cytime's message, add details to the thread, and I'll put them here for ease of reading.

