#TrebleShot is a very useful (free and open-source) Android App for direct transfer of files.
It's very useful if you want to, say, share a big video file from your phone to a PC via WiFi without having to install anything on that PC.
And now they have an official account in the #fediverse
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!