[terrywang]

I've been using croc (as alternative for for a while, it's fast and reliable. Personally I think it's better than magic-wormhole in the way that it can be statically linked as a standalone Go binary which is easier to distribute in an environment that one does not have root / administrator priviledge, especially when one has to use a Windows machine with domain/AD login but not a member of local Administrators...

[psanford]

Just FYI, there's a go implementation of magic-wormhole that satisfies the requirements you've listed: https://github.com/psanford/wormhole-william