Live365 - 5,000+ online radio stations run by real people, not generated by computers.
draw.io - Online diagramming application
Streampusher - Start your own internet radio station
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.
Wohooo.net - Create Your Own Online Radio Station
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.