VisualSitemaps - Autogenerate visual sitemaps in seconds.
HackerOne - HackerOne provides a platform designed to streamline vulnerability coordination and bug bounty program by enlisting hackers.
Codrops Blueprints - Free website concepts ready to implement or modify
Intruder - Intruder is a security monitoring platform for internet-facing systems.
Octopus.do - Build your website structure in real-time and rapidly share it to collaborate with your team or clients. Start prototyping websites or apps instantly.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.