Shodan
Shodan is the world's first search engine for Internet-connected devices.
Offensive Security’s Exploit Database Archive
The Exploit Database - Exploits, Shellcode, 0days, Remote Exploits, Local Exploits, Web Apps, Vulnerability Reports, Security Articles, Tutorials and more.
Metasploit | Penetration Testing Software, Pen Testing Security | Metasploit
Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the world's best penetration testing software now.
CGSecurity - Data recovery: TestDisk & PhotoRec
TestDisk and PhotoRec are free and open source data recovery software tools designed to recover lost partition, unerase deleted files, carve lost file...
Darknet – Hacking Tools, Hacker News & Cyber Security
Darknet is your best source for the latest hacking tools, hacker news, cyber security best practices, ethical hacking & pen-testing.
.:: Phrack Magazine ::.
Phrack staff website.
vanhauser-thc/THC-Archive
All releases of the security research group (a.k.a. hackers) The Hacker's Choice - vanhauser-thc/THC-Archive
OWASP
the free and open software security community
Packet Storm
Information Security Services, News, Files, Tools, Exploits, Advisories and Whitepapers
ProtectionID [public]
pc game protection scanner
archive.is
archive.is allows you to create a copy of a webpage that will always be up even if the original link is down
Semantic UI
Semantic empowers designers and developers by creating a shared vocabulary for UI.