The general portal informing about support for Ukrainian researchers and students:
https://github.com/bgruening/awesome-ukraine-support/blob/main/README.md

The Polish Academy of Sciences introduces a new tool supporting cooperation with Ukrainian researchers:
https://institution.pan.pl/index.php/755-visits-of-ukrainian-scientists-to-pas

Polish National Agency for Academic Exchange (NAWA) has launched the program Banach scholarship
https://nawa.gov.pl/en/nawa/news/in-search-of-new-banachs

Facebook: fb.me/NAWAUkraine

Instagram: instagram.com/NAWAUkraine

Twitter: twitter.com/NAWAUkraine

Telegram: t.me/NAWAUkraine

SISSA (Trieste, Italy) has set aside resources for fellowships for students and scholars from Ukraine, as summarized here
https://www.sissa.it/news/sissa-and-fvg-institutions-support-initiatives-students-and-researchers-ukraine

This portal is an initiative of scholars from various countries publishing info about current job/scholarships offers:
https://scienceforukraine.eu/

Support offer from the Tel Aviv University:
https://english.tau.ac.il/news/ukrainian_student_fellowship_fund

R&D job offers for Ukrainian scientists and engineers at Lukasiewicz Research Network: 
https://lukasiewicz.gov.pl/en/job-offers-for-ukrainians-in-poland/

Support, Grants and Scholarships from IFJ/PAN:
https://www.ifj.edu.pl/en/help-for-ukraine/

Photonics Aid for Ukraine:
​https://wavejobs.eu/ukraine/

Internships for students - UEK for Ukraine:
https://uakariery.uek.krakow.pl/uk/uekdlaukrainy-ua/

Scientific Position in Brand experiment (https://brand.if.uj.edu.pl/)  in the group led by Prof.Bodek working in our Faculty - details

CEEPUS for Ukraine: Central European Exchange Program for University Studies offers scholarships and internships "Freemover UA" for students and researchers from Ukraine.
More information:
 – CEEPUS NAWA: https://nawa.gov.pl/ukraina
 – application for "Freemover" via: https://www.ceepus.info/