Kokopu is a JavaScript library for chess applications. It implements the chess game rules,
and provides tools to read/write the standard chess file formats
(PGN,
FEN, etc.).
RPB Chessboard is a plugin for WordPress.
It allows to typeset and display chess games and diagrams on posts and pages of WordPress blogs,
using the standard FEN
and PGN notations.
RPB Calendar is a plugin for WordPress.
It allows to list and schedule events in WordPress blogs, and to display them in a calendar in a post or a page.
Virtual Chess Clock is a chess clock software:
it turns your computer into a chess clock. VCC is designed to be easy to use.
It is free, open-source and works both on Windows and on Linux.