The First rule of interacting with the police is "Shut The Fuck Up."
The Second rule is if you must speak, your only phrases are "Am I free to go?" "Am I being detained?" "I want a lawyer."
This website exists as a repository of information, links to other repositories, and act of direction action.
It's written in HTML, loads quickly, and has no back end other than a single HTML file. This is intentional. This website should work wherever the server is even slightly accessible.
https://freedom.press/digisec/blog/choosing-a-vpn/ - a guide for the lay person on choosing VPNs. It's worth noting that VPNs are not necesarrily the end off of communicating securely. Educate yourself.