Danbooru - Danbooru is an advanced, tag-based image board system that is based on Ruby On Rails.
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.
Szurubooru - Image board engine, Danbooru-style. Contribute to rr-/szurubooru development by creating an account on GitHub.
Standard Notes - A safe place for your notes, thoughts, and life's work
yande.re - yande.re is an anime-focused imageboard, or "booru", that utilizes a comprehensive tag...
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.