Vulnerable By Design ~ VulnHub

二级域名收集|RapidDNS is a domain name information query system that supports querying information about websites, subdomains and the same ip website. RapidDNS supports A, AAAA, CNAME, CERTIFICATE and MX types.

With this hackit you can test your web-hacking skills and your knowledge about php and mysql security

linux hacking and programming homepage - home of pcapfix, netmate, list system and genmenu - providing the blog f00ls bl0g which handles expert hacking and security topics

The Exploit Database - Exploits, Shellcode, Vulnerability reports, 0days, remote exploits, local exploits, security articles, tutorials and more.

OWASP Broken Web Applications Project