Calmind - Be smarter, less stressed, and healthier—just by listening!
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.
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Standard Notes - A safe place for your notes, thoughts, and life's work
Meditation Studio - Curated collections of guided meditations
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.