Shodan - Shodan is the world's first search engine for Internet-connected devices.
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
Censys - Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.
Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.
Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.
OpenVAS - The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...