Games similar to LightFICS include XBoard, which is free and open source. Other options are BabasChess, Raptor Chess Interface and Jin. In total there are four Chess Games like LightFICS for Windows, Linux and Mac.
XBoard, also known as WinBoard on Microsoft operating systems, is a free graphical user interface client developed by Tim Mann that is compatible with various chess engines that support the Xboard Communication Protocol such as GNU Chess.
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BabasChess is a new revolutionary Internet Chess Client for Windows. It combines ease of use with powerful features for advanced users; integrates a fast and customizable playing environment with a powerful PGN viewer/editor, chess engines support for analyzing positions and...
Raptor is a cross platform chess interface and pgn viewer for the free internet chess server: FICS. It has the following features:
Jin is an open source, cross platform, graphical client for chess servers, written in Java. Jin can run either as a standalone application (available at this website) or as an applet, directly from your browser (available at the chess server's website).
