GoGrinder is a Java program for practicing Go
problems. It uses problems in SGF format. 750
problems are included in the install, and
thousands more are easily downloadable (pointers
are in the documentation).
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.