Grabber is a web application scanner. Basically it detects some kind of vulnerabilities in your website. Grabber is simple, not fast but portable and really adaptable. This software is designed to scan small websites such as personals, forums etc. absolutely not big application: it would take too long time and flood your network.
You can download it from the following link: https://packetstormsecurity.com/files/download/142960/Grabber.zip
Source: https://packetstormsecurity.com/files/142960/Grabber-Web-Application-Scanner-0.1.html