Great organization of Ukrainians helping Ukrainians:
Several resources on where to cross borders and how to manage in several Eastern European Countries: https://swg.notion.site/Ukraine-support-shared-5d3f84d6015c448ab644886e807f2ca7
Instagram page with some relevant information on how to settle in Portugal: https://www.instagram.com/ukrainian_refugees_portugal/
Large Telegram Ukrainian support group: https://t.me/+sd7n-wZZiPxiZjAy