5 open source projects by jsplumb

Bezier curve helper functions for JavaScript. Used by jsPlumb; perhaps useful for others.

Lightweight drag/drop handler, supporting containment, multiple element drag, custom css classes, drop filters, drag filters.

Visual connectivity for webapps

Geometry functions used internally by jsPlumb. Perhaps useful for other people.

mouse event helper - maps touch events to mouse events, and provides "smart" click functionality