UPDATED: I've few more ideas about other stuffs:

- A dating app
- A personal journal/todo app
- A site for indie anime artist or manga/manhwa author publish their work
- A file/document sharing app

nostr:note1s340ttrvgxqywzs5f8l9dyadaucumem9zlwj6pkwww7eav4nwpeqkacf6d  

 3rd one let's gooo! =3