ChessPad - ChessPad is a feature-rich chess game viewer and PGN file editor available for Windows.
Unicode Chess Generator ♞ - Create plain text chess puzzles
ChessDB - ChessDB - a free Chess database for Mac OS X, Windows, Linux, and UNIX - like ChessBase, but better
Storm Chess - Exciting and immersive game played right in a browser
Chessquid - Chessquid is a revolutionary chess software for strong players, from club to Grandmasters, to help you during your preparation | 30 days money back guarantee
Scid vs. PC - Chess database and playing program.