It is a penetration testing tool that focuses on the web browser.
Test your client SSL/TLS settings and cipher specs
Sicherheitseinstellung und protokolle bei Webbrowsern überprüfen
Developer guide to avoid XSS code
Beyond XSS (Cross Site Scripting) Cheat Sheet
A Document that tries to give a complete overview over what TLS/SSL protocols and what ciphers are available on different platforms and browsers.
Browserscope is a community-driven project for profiling web browsers. The goals are to foster innovation by tracking browser functionality and to be a resource for web developers.
Online security check for outdated browser plug-ins
Dooble is a Secure and Open Source Web Browser that provides solid performance, stability, and cross-platform functionality. One of the application's most important goals is to safeguard the privacy of its community with a group of integrated privacy features of the browser: search engine, secure messenger, and e-mail client. The installer also provides a means of installing the Dooble browser component.