You can download the installer Kerkythea, and few materials on the alternative side:
http://www.kerkythearender.net/#!downloads/c19kw
ℹ️ Licensed Extensions | FredoBatch, ElevationProfile, FredoSketch, LayOps, MatSim and Pic2Shape will require license from Sept 1st More Info

Posts
-
RE: Kerkythea download? Website down.