Online you will find many programs that help you create flowcharts and diagrams. But most of them come with a hefty price tag and are not suitable for people who want to make only basic diagrams. For those simple diagrams,
Sneffel: Web Based Whiteboard To Share Diagrams & Ideas
Sneffel is a web based whiteboard that lets you create diagrams, share them with friends, embed them on your website, and collaborate on them with others. While this sounds typical of a real-time, virtual whiteboard, Sneffel has an interesting feature