Notebook.ai - A smart notebook that grows and collaborates with you
Scrittor - Scrittor app allows users to create notes so they can store all their ideas and thoughts on their mobile phones to view them later.
Kanka.io - Kanka.
Epsilon Notes - Common Mark editor for Android and Windows
Snipo.io - AI Flashcards & Take video notes into Notion in click
Character Story Planner - Character Story Planner is an efficient mobile app introduced by Ifantasia that helps you to write books and create story characters conveniently.