Continuing the discussion from Additional sync via Bluetooth:
KDEConnect is great, fully open source tool that is available on desktop and mobile platforms. Also, makes for a good alternative method for sharing when you only have bluetooth available. All you do is point it’s sharing features to your Nextcloud directory. Try it out! Full feature list here
- Find my phone
- Share SMS automatically
- Stop your laptop from playing a movie from your phone
- etc.