GNU Backgammon - Plays and analyses backgammon games and matches
247Backgammon - Play the best Backgammon online for free with no signin required! Play backgammon immediately!
BGBlitz - BGBlitz2Go, a strong playing Backgammon for mobile phones
BGLightCE - BGLightCE, a Free Open Source Backgammon for Windows and Windows Mobile or Pocket PC
DJ-backgammon - DJ-backgammon Alternative - So many alternatives app to DJ-backgammon that available to download out there. And, looking for a suitable application was not easy
SimplyBG - Play backgammon online against friends.