croc is a tool that allows any two computers to simply and securely transfer files and folders.
https://schollz.com/tinker/croc6/
- allows any two computers to transfer data (using a relay)
- provides end-to-end encryption (using PAKE)
- enables easy cross-platform transfers (Windows, Linux, Mac)
- allows multiple file transfers
- allows resuming transfers that are interrupted
- local server or port-forwarding not needed
- ipv6-first with ipv4 fallback
- can use proxy, like tor
Croc just requires each computer to have internet access.