Go

References

• Sensei's Library (probably the ultimate reference on the Net)

Engines

• GnuGo

The engine from GNU project

• MoGo

Strong engine

Computer Tournament

• Sensei's library Computer Go Server
• CGOS - Computer Go Server]

GUI

• Panda glGo

Official GUI to connect to PandaNet.

$ GoGui

• Quarry

GUI for Go, Reversi, Amazons — Discontinued as of Sept 2010! No support for internet game server.

• qGo
• Uligo

Understanding, Learning, Inspiration... A program to practice solving Go problems.

Android apps

• Go Joseki
• Go Free