Modelio - Modelio is an open source modeling tool supporting natively UML, BPMN and model exchange with XMI.
ReadingIQ - ReadingIQ is the most leading digital learning library app for kids ages 2 to 13.
Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
Preschool - Preschool!
UML Designer - UML Designer provides a set of common diagrams to work with UML 2.5 models.
EduKittyABC - ABC Games for Kids – EduKittyABC is a fun tracing English alphabet educational app developed and published by Cubic Frog Apps.