Gridlock is a collection of grid-based board games for GNUstep, including Ataxx, Reversi, Gomoku, Connect Four, Breakthrough, and Glass Bead. You can play against another person or computer opponents of varying difficulty.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.