draw.io - Online diagramming application
Ashampoo Burning Studio - Ashampoo Burning Studio is the latest iteration of Ashampoo's stellar multimedia tool suite.
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.
ImgBurn - What in the Heck is IMG Burn? We all need to copy discs from time to time.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
Roxio Toast - The easiest way to burn CDs, DVDs or Blu-ray discs.