Boxcars

Boxcars is a program for playing backgammon online and offline.Features

• Play backgammon, acey-deucey and tabula.
  
• Match randomly with other backgammon players or play privately with your friends.
  
• Play offline vs AI when you don't have access to the internet.

This application and the server are available under free and open source software licenses. That means you can download the source code, build the application, and even make custom changes.