Poland’s R&E network, the Poznan Supercomputing & Networking Center, was established in 2003 and includes the PIONIER fiber-optic network, which is one of the most modern in the world: https://pionier.net.pl/en/

Poznan suggestions to help Ukrainian refugees: https://pomagamukrainie.gov.pl/

Charity Navigator also provides resources to help, with a list of highly rated charities involved in humanitarian relief, recovery, and peace-building efforts: https://www.charitynavigator.org/index.cfm?bay=content.view&cpid=9366

Sourced from merit.edu.