Rubikus.HelpUA
Rubikus.HelpUA is a non-profit volunteer project that evacuates Ukrainian citizens to EU countries. It started operating on 24 February 2022, right after the beginning of the Russian invasion of Ukraine, as an offshoot of the German organization "Rubikus e.V.", which specialized in educational projects.
Rubikus.HelpUA volunteers are working remotely from all over the world. The organization's volunteers help the Ukrainian refugees by coordinating their route through Europe, providing them with accommodation, and arranging specialized transportation services for elderly people and people with disabilities.
One of the most famous members of Rubikus.HelpUA is the Russian-American mathematician Alexander Kirillov Jr.
In December 2025, Rubikus was designated as an undesirable organization in Russia.