ChessPad
ChessDB
Chess Tempo Database
Scid vs. PC
DecodeChess
Lichess
Chess Insight
Scid on the go
Elementool
Jira
ChessPad
ElementoolChessDB - ChessDB - a free Chess database for Mac OS X, Windows, Linux, and UNIX - like ChessBase, but better
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Chess Tempo Database - Chess Tempo Database gives you a library of more than 2 million searchable chess games.
Scid vs. PC - Chess database and playing program.
DecodeChess - AI chess tutor and analysis
Lichess - The complete chess experience, play and compete in tournaments with friends others around the world.