Gliffy - the online Visio killer?

Gliffy is easy, free, and fun!

• Diagramming in your web browser without downloading additional software
• Similar to Visio, yet in your web browser
• Desktop application feel in a web-based diagramming solution
• Add collaborators to your work and watch it grow
• Link to published Gliffy drawings from your blog or wiki
• Create many types of diagrams:


• Flowcharts
• UI wireframes
• Floor plans
• Network diagrams
• Any simple drawing or diagram
  

Gliffy

Also posted at Knowledge Work.