Prebuilt UCI- and XBoard-compatible chess engines.
Chess Database and PGN viewer
Portable UCI- and XBoard-compatible chess engines.
Chess Database and Toolkit program
Zoomable user interface (ZUI) with file manager, file viewers and more
Chess analysis, training and testing for Windows.
A free Chess program for Windows with a large set of features
Tool for chess teachers to create PDF files with chess diagrams in it
A GNU/Linux operating system accessible for visually impaired.
Scripts and tools for building and testing chess engines.
Java Schach Turnierverwaltung / Java Chess Tournament Management
Chess training program playing gambits
javascript chess games viewer for websites, blogs and live broadcasts
Batch tools for creating Polyglot books and PGN-based statistics.
Chess Stats is a slightly different way to analyze your chess games.
Blind Chess using Taiwan rules
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Chess Cheats for Personal use
Java Schach Turnierverwaltung / Java Chess Tournament Management
Chess for the Blind for the JAWS or NVDA Screen Readers
A JavaScript game library to quickly develop board games for the web