Free Software

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Avatar of PrawnEatsPrawn

GUI's:

 

Arena 3.0: http://www.playwitharena.com/?Download:Arena_3.0

 

Tarrasch: http://www.triplehappy.com/

 

Engines:

 

Houdini: http://www.cruxis.com/chess/houdini.htm

(Updated 10.04.11: Robert Houdart's own site: Set up information: 32 & 64 bit versions of Houdini 1.5a)

 

Fire, Robbolito, Ivanhoe, Cyclone, Demon, Toga II:

http://www.chesslogik.com/index.htm

 

Lots of free engines here:

http://www.powerchessproject.org/downloads/engines/

 

 

 

 

I'll update this list regularly, just message me if you have a good link for inclusion.

Avatar of PrawnEatsPrawn

Graphical User Interface.

Avatar of PrawnEatsPrawn

More free engines here, courtesy of Westport Chess Club:

 

http://www.westportchessclub.org/downloads/Engines/

Avatar of WhereDoesTheHorseGo

That link no longer works. Use this one:

http://www.powerchessproject.org/downloads/engines/

Avatar of DEEPFROGGER

Stoclfish 4.0 overtook Houdini 1.5a, it's now the best free one in the world. ;)

Avatar of ponz111

Which free chess engine is the best? Stockfish?  Are there any free chess engines close to the strength of Stockfish?

Avatar of DEEPFROGGER

Komodo's best free version is close. Kind of.