`airfile` is probably one of my favourite little CLI tools I've made: it hosts a local webserver that you can connect to from your phone so you can xfer files phone->laptop easily.
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@oak neat! surprising how complicated this still is https://xkcd.com/949/
@wavering If you have a command line on both sides, hyperswarm-based p2p tools like hyperbeam[1] are verrry effective at breaking NATs and xferring arbitrary data.
https://github.com/mafintosh/hyperbeam