description: Draw, share and collaborate on online diagrams. Easy web flow chart, network diagram, mockup, wireframe, UML diagrams like Class, Sequence, & data flow and process flow diagrams. Creately - free web-based software for online diagram software
description: Lovely Charts is an online diagramming application that allows you to create professional looking diagrams, such as flowcharts, sitemaps, organisation charts, wireframes, and many more... For free.
title: Dia draws your structured diagrams: Free Windows, Mac OS X and Linux version of the popular open source program
description: Dia is free (open source) drawing software. Sketch your favorite structured diagrams! Windows version available as a free download.
title: Cacoo - Create diagrams online Real time collaboration
description: Cacoo is a user friendly online drawing tool that allows you to create a variety of diagrams such as site maps, wire frames, UML and network charts. Cacoo can be used free of charge.
title: Gliffy.com - Draw and share flowcharts and diagrams online
title: Mind42.com - Collaborative mind mapping in your browser
description: Mind42 is a free online mindmap collaboration tool. You can easily share and develop your ideas with your friends.