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Invent Your Own Computer Games with Python is a free ebook programming tutorial for the Python programming language. Learn how to program by making fun games!

Scratch: a programming language for everyone. Create interactive stories, games, music and art - and share them online.

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

Port knocking is a stealthy network authentication system that uses closed ports to carry out identification of trusted users. The system permits manipulation of firewall rules from a remote host across closed ports through encrypted channels.

The Da Vinci Game has 800 codes, riddles and logic problems in a thrilling race against the clock and the other players. The board game was inspired by The Da Vinci Code and has puzzles, anagrams and enigmas.

YouTube is a place to discover, watch, upload and share videos.

A community committed to sharing Perl knowledge and coding tips. The site contains questions and answers, useful snippets, and a library of code.

AZZ Cardfile is simple to use software that helps manage and organize any kind of records. It can serve as Rolodex, PIM, contact manager, address book, small database.