Bear is a beautiful, flexible writing app for crafting notes and prose. It works on iPhone, iPad, and Mac, so you can write wherever inspiration strikes.
When inspiration happens, put it on Paper. Paper is the best way to capture and connect your notes, photos, and sketches. Create checklists, spotlight details in photos, and sketch diagrams with unbeatable speed and ease — Paper is like a wall of sticky notes for everything that inspires you.
Chars is a delightful and easy-to-use note-taking app for quickly writing down your thoughts. Then sharing, tweeting, or using them the way you want.
Also there is built-in special characters keyboard working inside the app or as system-wide keyboard extension.
Notesmartly is a free app which makes organizing your stuff a breeze. Notebooks, ability to draw using Scribbpads, Wideboards to collaborate in real time and more.
Lunamaker is a paper notebook with digital courses on drawing and sketching. The main idea is to help you develop drawing and sketching skills with only a 10-minute per day commitment.