Jago has been updated (4.7) and corrected, this release is no more useful.See here and download here.
Jago, Version 4.54
Copyright R. Grothmann & Askywhale
Jago is a client for the internet go servers, and an editor for the SGF go format.
Version 4.54 : 7x7 game enabled.
Jago is GPL licensed. For details see the Jago homepage at
and fork4.54 homepage
R. Grothmann & Askywhale