Copyscape : Website Plagiarism Search - Web Site Content Copyright Protection
mitmproxy : mitmproxy is your swiss-army knife for debugging, testing, privacy measurements, and penetration testing. It can be used to intercept, inspect, modify...
vicnum : A flexible web app showing vulnerabilities such as cross site scripting, sql injections, and session management issues. Helpful to IT auditors honing ...
The Big List of Naughty Strings : The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.
SpiderFoot : With almost 200 modules and growing, SpiderFoot provides an easy-to-use interface that enables you to automatically collect Open Source Intelligence (...
A proposed standard which allows websites to define security policies.