Gitkraken free no longer works for private/self hosted repositories
gitkraken.com
gitkraken.com
Activating the 7-day trial Pro trial works, but it's just dumping the problem forward a week. We'll have to question ourselves to know if we keep using GitKraken or move on to another GUI.
I checked the wayback machine, and the change seems to have happened between June and September of last year,it only seems to have been enforced this morning.