Vega - free and open source scanner and testing platform to test the security of web applications

Vega is a free and open source scanner and testing platform to test the security of web applications. Vega can help you find and validate SQL Injection, Cross-Site Scripting (XSS), inadvertently disclosed sensitive information, and other vulnerabilities. It is written in Java, GUI based, and runs on Linux, OS X, and Windows. 

Vega includes an automated scanner for quick tests and an intercepting proxy for tactical inspection. The Vega scanner finds XSS (cross-site scripting), SQL injection, and other vulnerabilities. Vega can be extended using a powerful API in the language of the web:Javascript. 

Vega was developed by Subgraph in Montreal.

Download from Here 
Latest release: 1.0 Build 97
Released on  July 19, 2013
Current build: 97 Jul 19, 2013
Source-
http://subgraph.com/products.html

For More information -
http://subgraph.com/products.html