Cue Sports Rules

American Pool

Games played on US pool tables

9 ball pool

10 ball pool

14.1 Continuous (Straight Pool)

8 ball pool

One Pocket

Banks

American Rotation

General Rules of (US) Pool

UK Pool (reds and yellows)

Games played on UK pool tables

Blackball (UK 8 ball pool)

UK 8 ball pool ("World Standardised Rules")

Snooker & English Billiards

Games played on snooker tables

Chinese Pool

Games played on Chinese style pool tables

Chinese 8 Ball Pool

Carom Games

Games played on pocketless carom tables

Three Cushion Billiards

Russian Billiards

Games played on Russian style billiard tables

Russian Pyramid

The old site, for reference, is here