Octopus.do - Build your website structure in real-time and rapidly share it to collaborate with your team or clients. Start prototyping websites or apps instantly.
Sitemod - Modify any website in real-time. Share it with the world.
Zen Flowchart - The simplest tool to create flowcharts
VisualSitemaps - Autogenerate visual sitemaps in seconds.
Transformicons - Animated icons, symbols and buttons using SVG and CSS
FlowMapp - FlowMapp is a UX planning tool for creating visual sitemaps and user flow.