The Free Internet Chess Server

FICS

Widely considered the best place to play Bughouse Chess. Highly recommended!

 

Internet Chess Club

ICC

Widely considered to be the second best place to play Bughouse Chess, although the bughouse action is significantly less than on The Free Internet Chess Server.

 

Other Online Bughouse Chess Sites

Other

Here is a list of other chess servers which support bughouse. However, the quality of the site cannot be guaranteed. Play at your own risk!