For to do lists/reminders: https://f-droid.org/repository/browse/?fdid=com.icechen1.notable.pro https://f-droid.org/repository/browse/?fdid=com.icechen1.not...

For to do lists/reminders: https://f-droid.org/repository/browse/?fdid=com.icechen1.notable.pro https://f-droid.org/repository/browse/?fdid=com.icechen1.not... - it just puts them in my android drawer. For pretty much everything else, I usually just keep text files in ~/Documents.