OpenShapes is a framework for editable online diagrams. It features in-browser editing and viewing of diagrams. All important functions are done using Javascript, particularly the definitions of individual shapes. It is easy to add new classes of shapes. Shapes in diagrams can be connected together. The software is loosely coupled to any particular graphical display platform. It uses a simple XHTML-based format for diagram data. It features straightforward application integration, and support for linking from shapes in diagrams.
