FEN

This chess book browsing application supports PDF game extraction and game tag extraction, as well as game variant editing and PGN support. It also includes support for Uci chess engines, OCR, and is available on multiple platforms. Java-8 and multiple languages are supported, and the software includes the ability to zoom in and out.

DiagTransfer is a chess position editor that offers advanced features like a copy mode with a semi-transparent window and diagram printing in high quality.

Freeware-Chess is a user-friendly chess software that offers a wide range of features including an opening database, game protocol, cancellation of moves, and hints. It also allows for swapping and setting of chess pieces, PGN save/load, and FEN provision. The software is available in English, German, and French and is small, portable, and free of adware, spyware, and advertising.