JointJS is a modern HTML 5 JavaScript library for visualization and interaction with diagrams and graphs. It can be used to create either static diagrams or, and more importantly, fully interactive diagramming tools and application builders. JointJS makes it easy to create visual languages & tools of various kinds.
The event-driven nature together with MVC architecture of JointJS makes it easy to plug-in any backend application.
JointJS - Features:
basic diagram elements (rect, circ