Vega – Open Source Cross Platform Web-Application Security Assessment Platform

Vega is an open source platform to test the security of web applications. Vega can help you find and validate SQL Injections, 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. Vega can be extended using a powerful API in the language of the web: Javascript.

Features

• Automated Crawler and Vulnerability Scanner
• Consistent UI
• Website Crawler
• Intercepting Proxy
• SSL MITM
• Content Analysis
• Extensibility through a Powerful Javascript Module API
• Customizable alerts
• Database and Shared Data Model

There are also modules for:

• Cross Site Scripting (XSS)
• SQL Injection
• Directory Traversal
• URL Injection
• Error Detection
• File Uploads
• Sensitive Data Discovery

There is documentation for getting started here or check out the intro to the Vega Proxy here.

You can download Vega here:
Windows – 32-bit/64-bit

Linux – 32-bit/64-bit
Or read more here.