croc

Croc is a command-line tool designed for secure and simple file and folder transfers between any two computers, utilizing a relay mechanism. Its notable features include end-to-end encryption, support for multiple file transfers, the ability to resume interrupted transfers, and compatibility across various platforms including Windows, Linux, and macOS, with no need for local servers or port forwarding. Additionally, Croc is IPv6-first with IPv4 fallback and can operate through proxies like Tor.