Purpose of this version is to implement small improvements to the program, because the original version is no longer being developed.
Changes are available here: development_custom.txt (last major changes 2025.09.29)
If you have Open Gotha already, just copy opengotha.jar there
Full version is available here: opengothacustomV4.01.05.zip
Website with original version by Luc Vannier: http://vannier.info/jeux/gotournaments/opengotha.htm
If you want to check program from developer side: opengothacustomV4-master.zip
Open Gotha Custom is created by Krzysztof Bozek. You can contact me with kamyszyn@gmail.com