"WireIt is an open-source javascript library to create web wirable interfaces for dataflow applications, visual programming languages, graphical modeling, or graph editors."
DERI pipes which was inspired by Yahoo's Pipes
JavaScript Gantt Chart rich script API:
Ext Gantt is a gant chart component build on the Ext Js frameworks (made by Sencha Inc)
dojox.gantt is a dojo gantt chart widget
