Open Source Knowledge Links

Hi,Following are few links related to Open Souurce which I would like you to go through and gain the information out there

• Basics of Extreme Programming (XP)
• Simple DirectMedia Layer: Gaming Platform for C++, Java, and More
• The Google Collections Library, An Update
• What's Next for Linux and Open Source?
• Open Source Needs Leadership?
• Why O'Reilly books aren't open source
• The Importance of Perl
• Small Steps Lead to Big Improvements in Java Code Quality
• Why Open Source in Schools
• Using open source software to design, develop, and deploy a collaborative Web site