Reverse Dictionary - Describe a concept and get back a list of words
Orgzly - Outliner for notes, tasks and to-dos
Writefull Thesaurus - A Google Docs add-on that uses AI to give you synonyms
All Note Pro - All Note Pro app contains features to enable users to write their new ideas and important details on their mobile phone to share them with the outside world.
Meaning Monkey - Find the definition and meaning of anything.
Notin - Notin – notes in notification app helps users in creating alarms to get reminders about important tasks right on the home screen.