Comments are giving single-word answers without explanation…
Cannot answer your question without you giving some context or explaining what you want. Signal is a service ment to be used wigh particular multiplatform application. Matrix is communication protocol having chat as main focus, with multiple services and apps supporting it.




Being able to make apps in plain Python or Rust, without running Android Studio sounds like a dream. Automatic simple things with cron. Using standard systemd, pipewire, wayland software stack… Being able to see data of apps and backup them with Restic or Syncthing. Repurposing old smartphone as Raspberry Pi replacement…
There are so many things we miss.