Visualify - Visualize your top artists on Spotify
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.
Synesthesia - Synesthesia is a Spotify music visualizer that comes with the advanced support to listen to thousands of music tracks with the visuals side by side.
Standard Notes - A safe place for your notes, thoughts, and life's work
Spotify Web Visualizer - Beautiful full screen visuals for Spotify web player
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.