To apply for the new France Residency Card online, you need to go to the following French government site https://contacts-demarches.interieur.gouv.fr/brexit/brexit-demande-titre-sejour/, before you apply you will need to prepare the documents that are needed to accompany the application (each document file must have a different name and be less than 5mb in total).
Further information can be found on the French Government Site in English spread over 3 pages: https://mobile.interieur.gouv.fr/Actualites/Le-ministere-de-l-Interieur-se-prepare-au-Brexit/Sejour#113660_children
A flow chart of the documents needed (in English) is available here…

Portugal
What are the financial complexities Americans face when they move to Portugal?
Americans who move to Portugal may face several financial complexities related to taxes, investments, banking, and currency exchange rates. Some of the key issues that