Came here to say syncthing and Möbius Sync. Works like a charm for me between Win, *nix, macOS, Android and iOS. But getting iOS to sync was a pain. Still, now

Came here to say syncthing and Möbius Sync. Works like a charm for me between Win, *nix, macOS, Android and iOS. But getting iOS to sync was a pain. Still, now it works just fine.