Chess Database and PGN viewer
Zoomable user interface (ZUI) with file manager, file viewers and more
Chess Database and Toolkit program
Extensive Java chess database libraries.
Compact/ Chess Interchange Format
A chess game written is turbo pascal
PGN Viewer Oslo to load PGN chess notations from flat text file
PHP Multiplayer Chess Script
Read and write PGN format and test moves for legality.