draw.io - Online diagramming application
Crossroad - Don’t chase after your friends’ pictures anymore
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
iNZDR - iOS Live Photo Social Media app. Post and watch!
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
One Touch Share App - Streamlined photo and video sharing made interesting