What Open Source is About

• Definition: open source  — Opensource.org.org
• Definition: free software  — Gnu.org
• Definition: proprietary software  — Wikipedia.org
• Catergories of free and non-free software  — Gnu.org
• Why "Free Software" is better than "Open Source"  — Richard Stallman
• Why software should not have owners  — Richard Stallman

Ethical Concerns

• Digital Rights Management  — DefectiveByDesign.org
• Intellectual property in the era of open source  — Brad Silverberg cnet (news.com.com)
• The Open Source Security Testing Methodology Manual  — Wikipedia.org
• The politics of open source adoption  — Gabriella Coleman Tactical Technology Collective
• The Ethics of Free Software  — Bertrand Meyer Dr. Dobb's Journal

In Support

• "The Cathedral and the Bazaar"  (Wiki entry)  — Eric S. Raymond
• Peru prefers open source  — Open Source Initiative
• The Halloween documents (on Microsoft's former stance)  — J. Cohen, E.S. Raymond, and V. Valloppillil
• Is Microsoft playing well with others? (on Microsoft's present stance)  — Martin LaMonica Cnet (news.com.com)
• A key advantage of open source is not cost savings  — Frank Scavo Computer Economics
• Government entities quick to adopt open source  — Jay Lyman LinuxInsider.org
• Open source-onomics  — Ganesh Prasad LinuxToday.com
• Google at OSCON: Open Source Promotes Competition  — Peter Galli eWEEK

Some reservations

• Security through obscurity  — Wikipedia.org
• Reviewing the case against open source  — FCW.com
• How patents protect innovation  — Simon Gentry and Joff Wild BBC News
• Public subsidies for open source?  — K. Schmidt and M. Schnitzer Technological Innovation and Intellectual Property

How to Make it Work

• Dual licensing  — Wikipedia.org
• Open source case for business  — Open Source Initiative
• Why open source software? Look at the numbers!  — David A. Wheeler
• Jobs for hackers: yes, you can eat open source  — Open Source Initiative
• A theory of disclosure for security and competitive reasons  — Peter P. Swire
• Selling free software  — Richard Stallman
• Open Source as a Business Strategy  — Brian Behlendorf

How to Use It

• GNU General Public License (GPL)  — Free Software Foundation
  • See also: Lesser GNU GPL (LGPL)  — Free Software Foundation
• All Open Source Initiative Certified Licenses  — Open Source Initiative

Examples of Open Source Software

• OpenOffice  — OpenOffice, LGPL
• Mozilla's Suite (e.g., Firefox, Mozilla)  — Mozilla Foundation
• Java 6  — Sun Microsystems
• Krugle  — Search engine for open source projects
• Various other programs  — Wikipedia.org