GammonSoft
It sells backgammon games for Windows and Macintosh computers.
It also has free on-line games, at gammonsoft.com, including backgammon, acey deucey, checkers, reversi, link 4, and farkle (addictive dice game). All games can be used to play with a friend over the internet. Some, including backgammon and acey deucey, have computer opponents for when a human opponent is not available.
David's Backgammon
Trial versionExplore Strategy with David's Backgammon
Windows
Absolute Backgammon
PaidNo ads, no gimmicks, just great backgammon and acey deucey.
iOS
Absolute Backgammon Lite
FreeNo ads, no gimmicks, just great backgammon and acey deucey. If you liked Absolute Backgammon and Acey Deucey for the desktop, you will like this...
iOS
Absolute Acey Deucey Backgammon
Trial versionEngaging Backgammon Experience for Mac Users
Mac
Absolute Backgammon
Trial versionComprehensive Overview of Absolute Backgammon for Mac
Mac
David's Backgammon
Trial versionEngaging Backgammon Experience for Mac Users
Mac
Absolute Farkle
Trial versionEngaging Dice Game for Mac Users
Mac