Anarchy Message Areas : 8 sub-boards
DOVE-Net Message Network : 19 sub-boards
fsxnet Message Network : 26 sub-boards
Micronet Message Network : 12 sub-boards
Agoranet Message Network : 7 sub-boards
Retronet Message Network : 22 sub-boards
WINSNet Message Network : 25 sub-boards
Fidonet Message Network : 185 sub-boards
WhisperNet Message Network : 33 sub-boards
DeveloperNet Message Network : 26 sub-boards
MusicalNet Message Network : 29 sub-boards
Spooknet Message Network : 30 sub-boards