Better Notes - Simple notes app that ties notes together with #hashtags

Milanote - Milanote is a note taking app for creative work.

Paper - Super-clean writing space with a lot of configurability that stays out of sight when you don’t need it.

snipnote - Organize your day with tasks, notes & checklists

Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.

Walling for Windows - Visual walls for your ideas and projects. Now on Windows.