Most of these programs are commercial products. Searchable game collections, joseki tutors and other 'treating software' can be found in this category. These programs do not play, but they are designed to show you things that may improve your play. Pachi: A nice bot that is 2d to 7d and does not need to be run on very good hardware. LeelaZero: Very strong bot, there are many nice gtp editors to allow playing and reviewing games with LeelaZero. Leela: Leela is a strong Go playing program combining advances in Go programming and further original research into a small, easy to use graphical interface. KataGo: A strong bot, that can correctly analyze handicap games and provide score estimates. Typically, a graphical user interface is needed to work well. Some work well on a variety of platforms. The following are programs you can download for free to play against or analyze previously played games. Sabaki: A very nice graphical user interface for Windows, Mac and Linux. Q5Go: A Windows SGF editor, IGS client, and GTP interface that supports LeelaZero and KataGo. PANDA-glGo: A 3D and 2D Goban, game viewer and editor, client for IGS-PandaNet and interface for GNU Go. Lizzie: A analysis program that is a useful graphical interface for LeelaZero, KataGo, or Pachi. KaTrain: A graphical user interface paired with KataGo that works out of the box to play and analyze games with the bot. GoRilla: GoRilla is a freeware Windows product that loads, edits, and stores SGF files. SmartGo: Several programs including SmartGoKifu, SmartGo Player, SmartGo for Windows, SmartGo for Mac, and GoBooks, for playing, storing, reviewing games, and purchasing and reading many go books. Igowin, a 9x9 freeware demo, is available for download. Many Faces of Go: Purchase David Fotland's award-winning program. These tend to be the most user friendly programs.Ĭrazy Stone: A strong go playing engines. The following are programs you can purchase on the internet from a vendor of go products, or in many cases directly from the author. Software that Plays Go Available for Purchase

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