Bitsbox - Monthly code projects for kids
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Kano - The educational computer and coding kit for all ages
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
HTML Planet for Kids - A fun way to learn HTML & CSS
Nextcloud Contacts - The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.