Censys

Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.

Acunetix

Audit your website security and web applications for SQL injection, Cross site scripting and other…

Burp Suite is an integrated platform for performing security testing of web applications.

Dependency-Check is a utility that identifies project dependencies and checks if there are any…

The Web framework for perfectionists with deadlines

Fiddler is a debugging program for websites.

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.

Network recon framework, including a web interface to browse Nmap scan results.

Learn, download and use the most flexible and powerful web application security testing framework.

Nikto is an Open Source (GPL) web server scanner which performs comprehensive tests against web…

Vulnerability assessment and collaborative penetration testing platform

PunkSPIDER is a global-reaching web application vulnerability search engine.

Shodan is the world’s first search engine for Internet-connected devices.

The world’s best way to organize, store, and distribute software components

Search engine for the Internet of Things

Subgraph Vega | Free and Open Source Web Application Vulnerability and Security Scanner

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding…

Network mapping service

A fully automated, active web application security reconnaissance tool.

w3af is a Web Application Attack and Audit Framework