GitHub flavored markdown will be around indefinitely as will SQLite and HTML.
ODT probably will be too.
It sucks that storing files isn't really solved yet. Plain text needs some external means of sync. SyncThing is finally getting good again with new Android 11 features, but for a while it was limited to internal storage.
And there is, unfortunately, no SyncThing cloud providers(First person to extend SyncThing with messaging, make it embeddable in other apps, and make a cloud service will have basically a universal backend for FOSS apps and solve a lot of issues).
There also hasn't been good tools to actually work with the text files till recently, because android always seems to be 10 years behind desktop. You were pretty much stuck just using text editors, sans indexed search.
Plain text is wonderful, but the ecosystem to actually take notes with it is just now catching up.
ODT probably will be too.
It sucks that storing files isn't really solved yet. Plain text needs some external means of sync. SyncThing is finally getting good again with new Android 11 features, but for a while it was limited to internal storage.
And there is, unfortunately, no SyncThing cloud providers(First person to extend SyncThing with messaging, make it embeddable in other apps, and make a cloud service will have basically a universal backend for FOSS apps and solve a lot of issues).
There also hasn't been good tools to actually work with the text files till recently, because android always seems to be 10 years behind desktop. You were pretty much stuck just using text editors, sans indexed search.
Plain text is wonderful, but the ecosystem to actually take notes with it is just now catching up.