This tag describes bbs'es that were not open 24 hours a day on a dedicated line, but only during the nighttime. This was usually since the line was shared with other users who were using it for voice during the daytime.

This BBS carried PC releases and/or was part of the PC scene. Please note that it does not automatically mean that the BBS ran on a PC.

A BBS that was open to the general scene public, and not just for the self-defined "elites". Usually, such BBSs carried only legal files, and their numbers were publicly advertised. However, they usually still required user registration, and sysops could refuse accounts to users they considered too "lame".

This BBS was or is connected to the FidoNet network.

SBCNet (Sound Board Connection Network) was a BBS message network focused on music.