Croc

Judgement

What it is

Developer tool

What it does

A command-line tool that sends files and folders between any two computers using a short code phrase, with end-to-end encryption, resumable transfers and a relay fallback.

Adopt it when

You regularly move files between machines across networks and are comfortable in a terminal.

Watch out

Transfers go through the public relay unless you run your own, and it depends on a single maintainer who asks for sponsorship.

Ready for

Production-ready

Runs as

Command line

Built with

Go

How established

Established: started 9 years ago, latest release v11.6.3.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Croc → Go → runs on a microchip

How compilers were built, back to punched paper tape

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