Came here to say this. It's as simple as: (sending computer) computer-1$ croc file-i-want-to-send.txt Did you mean to send 'file-i-want-to-send.txt'?

Came here to say this. It's as simple as: (sending computer) computer-1$ croc file-i-want-to-send.txt Did you mean to send 'file-i-want-to-send.txt'? (Y/n) y Sending 'file-i-want-to-send.txt' (555 B) Code is: 1234-some-diceware-passphrase On the other computer run croc 1234-some-diceware-passphrase (receiving computer) computer-2$ croc 1234-some-diceware-passphrase Accept 'file-i-want-to-send.txt' (555 B)? (Y/n) y Receiving (<-127.0.0.1:44404) file-i-want-to-send.txt 100% || (555/555 B, 105 kB/s) You can also just drag-and-drop a file onto the executable icon and it will pop up a GUI letting you do the same thing. Transfer is encrypted, no account needed.