Free chess interfaces

En Croissant - a free open source chess GUI : r/AnarchyChess

jose - graphical chess tool - LinuxLinks

Free Chess Club: Play Online Chess on the Free Internet Chess Server

Bagatur Chess Engine F-Droid - Free and Open Source Android App Repository

Best 5 free Chess Software - Chess Forums

Free chess interfaces

WinBoard -- A description, screenshots, and more

Free Chess Club: Play Online Chess on the Free Internet Chess Server

StingRay - simple chess graphical user interface - LinuxLinks