I recommend https://syncthing.net/
Works with all file formats, from photos and movies to text files. Cross platform: Linux, Windows, Android, probably also Mac and BSD.
Update: And it's end-to-end encrypted and free, open-source software.
Works with all file formats, from photos and movies to text files. Cross platform: Linux, Windows, Android, probably also Mac and BSD.
Update: And it's end-to-end encrypted and free, open-source software.
I suspect the experience is better on Android.
https://github.com/syncthing/syncthing-android --- "Discontinued This app is discontinued. The last release on Github and F-Droid will happen with the December 2024 Syncthing version."