Open Source
Vega is open source software, licensed under the EPL (Eclipse Public License) 1.0.
Getting the Source Code
The source code is hosted on github, and instructions for building it are located here.
Extending Vega
Vega is more than just a scanner and proxy. Vega is a platform for developing new types of tests for web applications. See the documentation for more information on extending Vega with custom modules and alerts.
Getting in Touch
Vega users can get involved by visiting the channel #subgraph on the Freenode IRC server, or by subscribing to the Vega-Users group hosted at Google Groups.