12.1. History12.2. KDE, Qt, and Troll Tech12.3. Analysis of the Open Source Definition12.3.1. The Open Source Definition (Version 1.0)12.4. Analysis of Licenses and Their Open Source Compliance12.4.1. Public Domain12.4.2. Free Software Licenses in General12.4.3. The GNU General Public License12.4.4. The GNU Library General Public License12.4.5. The X, BSD, and Apache Licenses12.4.6. The Artistic License12.4.7. The Netscape Public License and the Mozilla Public License12.5. Choosing a License12.6. The Future