Kahuna - Best way to understand and engage your mobile audience
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.
Inspired Mobile - Inspired is a unique mobile marketing platform offering an evolving suite of solutions to run all marketing campaigns.
Standard Notes - A safe place for your notes, thoughts, and life's work
mobilecommons - MobileCommons makes it easy for companies and non-profits to connect with people on their mobile devices.
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.