What do Trinoo, TFN2k, WinTrinoo, T-Sight, and Stracheldraht have in common?

What do Trinoo, TFN2k, WinTrinoo, T-Sight, and Stracheldraht have in common?

A.
All are hacking tools developed by the legion of doom

B.
All are tools that can be used not only by hackers, but also security personnel

C.
All are DDOS tools

D.
All are tools that are only effective against Windows

E.
All are tools that are only effective against Linux