Portal:Free and open-source software/Topics


 * Impediments and challenges
 * Digital Millennium Copyright Act,Digital rights management, Tivoization, Software patents and free software, Trusted Computing, Proprietary software, SCO-Linux controversies, Binary blobs


 * Adoption issues
 * OpenDocument format, Vendor lock-in, GLX, Free standards, Free software adoption cases


 * About licences
 * Free software licences, Copyleft, List of FSF-approved software licenses


 * Common licences
 * GNU General Public License, GNU Lesser General Public License, GNU Affero General Public License, IBM Public License, Mozilla Public License, Permissive free software licences


 * History
 * ...of free software, Free software movement, Timeline of free and open-source software


 * Groupings of software
 * Comparison of free software for audio, List of open-source video games


 * Naming issues
 * GNU/Linux naming controversy, Alternative terms for free software, Naming conflict between Debian and Mozilla