Shows how easy it would be to gain unauthorized access to a system
CTFs as you need them
Solving the Satoshi Puzzle
Sudomy is a subdomain enumeration tool to collect subdomains
Calculate primes by using extremely fast sorting
BHS debian (testing) jessie/sid
Perl Hacking Tools (BackTrack)
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Training and educating about the web security