OWASP Mantra is a collection of free and open source tools integrated into a web browser, which can become handy for students, penetration testers, web application developers,security professionals etc. It is portable, ready-to-run, compact and follows the true spirit of free and open source software. This is the platform independent release.
You can download it from the following link: https://packetstormsecurity.com/files/download/108273/OWASP-Mantra-Armada-0.81Beta.7z
Source: https://packetstormsecurity.com/files/108273/OWASP-Mantra-Armada-0.81-Beta.html