GNU shogi (gnushogi) plays a game of japanese chess (shogi) against the user or it plays against itself.
gShogi is an open source Shogi (Japanese chess) game written in Python / PyGTK / C.
ShockyX is a gnushogix/xshogi compliant program using the Shocky II engine by Pauli Misikangas. The source is heavily based on the demo application, with some changes in the input/output handling by Jarl Ove Staurnes to make it compliant with the gnushogix/xshogi program.
xshogi provides an X11/Xt/Athena Widgets user interface for GNU Shogi. With xshogi you can play GNU Shogi, set up arbitrary positions, force variations, or watch xshogi manage a game between two shogi programs. Furthermore, it can be used as an interface between two players on different displays.