WingNotes - The most productive way to take study notes
Neonto - Visual tool for creating native iOS and Android UIs
Sans Forgetica - Scientifically designed font to help remember study notes
LetterNote - Fine Stationery, Art Prints, Accessories & Collectibles
Notepin - Extremely simple note-taking + blogging ✍️
Rainbow Pencils - Make rainbows whenever you sharpen.