Scid Project
Scid
FreeChess database, analysis tool, live and correspondence play app.
MacScid
FreeMaintain a database of chess games, search games, view trends, and produce reports.
WindowsScid Portable
FreeMaintain a database of chess games, search games, view trends, and produce reports.
WindowsScid for Linux
FreeMaintain a database of chess games, search games, view trends, and produce reports.
Linux