The following add-ins have been built using the Vasari API. They are works in progress that we want to get feedback on before they are fully "baked." Download. Install. Play. Give feedback at projectvasari.com!
Dynamo is a project started by Ian Keough to provide a code playground for building interesting parametric functionality on top of that already offered by Vasari, and to do so with a graphical interface that allows you to share your work with others less inclined to write code themselves. More info...
Autodesk Vasari 2.5 offers an API designed to allow power users and external application developers to integrate their applications with Autodesk Vasari. It is strongly recommended that you become familiar with Autodesk Vasari and its features before attempting to use the Autodesk Vasari API. Training can be found through the Autodesk Developer Network (ADN). More info...

The Parameter Values from Image add-in is a tool for writing data from an image file to a curtain panel by pattern family in a divided surface. More info...
The Parameter Sliders add-in provides a graphical interface for flexing parameters on loaded families. This add-in currently only works inside Project Vasari Tech Preview 2.1. More info...