Right now, I'm really into:
- Frontend: Astro/SolidJS
- Database + API + Monitoring + Auth: Keel (https://keel.so)
- Desktop/Mobile wrapping: Tauri (https://tauri.app)
I know building native apps with web technologies is a bit lame since it's a glorified web view on native devices and thus is somewhat limited, but as a web developer this allows me to play in those worlds a bit more.
I've tried to learn Swift/Kotlin but haven't been able to get as far as I have with JavaScript yet.