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.
TisaneAPI - Detect hate speech, cyberbullying, and more in 27 languages
Standard Notes - A safe place for your notes, thoughts, and life's work
YouTube Kids - YouTube for the youngins on iOS and Android
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.
Kidslox - Set boundaries for your kids