With Gliffy online diagram software, you can easily create professional-quality flowcharts, diagrams, floor plans, technical drawings, and more.
Our online diagram editor makes it easier than ever to create great looking drawings.
Lovely Charts is a diagramming application that allows you to create professional looking diagrams of all kinds, such as flowcharts, sitemaps, business processes, organisation charts, wireframes and many more....
Diagramo allows you to easily create, edit and share diagrams providing a similar user experience as regular desktop applications. One of the main advatages of our web-based editor is that you can share your works with anyone and they don't need to purchase or install any software
"Marky is a Web-based multi-purpose annotation tool. With this annotation tool you can annotate from simple documents (without any formatting) to HTML documents. Documents can have embedded: images, diagrams, videos, etc. With all power of HTML."
Threddie lets you brainstorm with people using a post-and-comment system everyone's familiar with. Just start a brainstorm, add a briefing and some topics, then invite people to discuss. It's better than email, yet much more intuitive and lightweight than the mind mapping and diagram drawing alternatives. And it's free.