USBs aren’t convenient enough. I’ve done wifi sharing via FTP, which didnt require WAN. Ftp was slow to set up. My bluetooth’s bandwidth seems very small?
A 1 click to install app across multiple devices, that only uses LAN, would be ideal. Right now, I just transfer files with element
Syncthing
As someone else said, Syncthing. It’s pretty much exactly what you’re looking for. We use it internally at my company where we use all major OSes and devices.
What devices are we talking about? For phone to PC is use KDE Connect. It’s reasonably fast 🤔
Yeah this is what I use, however it’s not just for phone to PC, you can use it between any devices (although I couldn’t get it working on a TV running android).
Trebleshot between phones and phones <-> PCs.
It is on F-Droid.
Between PCs in a same network, use Samba (some DEs allow to share folder in folder properties) or if you are in a dynamic environment (school) try KouChat which allow sharing files and not only LAN chat.
I think https://snapdrop.net/ might work for that?
Warpinator
I use Warpinator for that
I use croc
The simplest to use is O&O File Direct, it very easy to use and encrypted end2end. But the problem is, it is not FOSS (Freeware) and only for Windows. Sad. I have put it just in case it is useful to someone despite this, because it is really good and safe.
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aah my comments duplicate
I use KDE Connect and Dragit.
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