The Ray Tracing in One Weekend series of books
FIDO® Certified StrongKey FIDO Server (SKFS)
System for anonymous Web browsing
A Windows password cracker based on rainbow tables
Browser for Tor based on Dooble & Vidalia as integrated Addon
Open Source Penetration Testing / Ethical Hacking Framework
Open Source Web Single Sign-On
Free and Open Source Browser based Security Framework
Chromium based portable browser for pentesters