Facebook Messenger Kids - Safer and More Fun Video Calls and Messaging
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.
Stack App - Stack is a Tweetdeck for your social apps
Standard Notes - A safe place for your notes, thoughts, and life's work
Caprine - Elegant Facebook Messenger desktop app
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.