Sabaki is an elegant Go board and SGF editor for a more civilized age.

Features

• Fuzzy stone placement
• Read and save SGF games and collections, open wBaduk NGF and Tygem GIB files
• Display formatted SGF comments using a subset of Markdown and annotate board positions & moves
• Personalize board appearance with textures & themes
• SGF editing tools, including lines & arrows board markup
• Copy & paste variations
• Powerful undo/redo
• Fast game tree
• Score estimator & scoring tool
• Find move by move position and comment text
• GTP engines support with board analysis for supported engines
• Guess mode
• Autoplay games

Note: While the software is classified as free, it is actually donationware. Please consider making a donation to help support development.