Portal:Free and open-source software/Topics

Impediments and challenges: Digital rights management • Tivoization • Software patents and free software • Trusted Computing • Proprietary software • SCO-Linux controversies • Binary blob

Adoption issues: OpenDocument • vendor lock-in • open standards • Linux adoption

About licences: free software license • Copyleft • List of FSF approved software licenses • Open source license

Common licenses: GNU General Public License • GNU Lesser General Public License • Modified BSD License • Mozilla Public License • MIT License • Apache License • Permissive free software license

History of…: History of free and open source software • History of Linux • History of Mozilla Application Suite • History of Mozilla Thunderbird • History of Mozilla Firefox

Community: Linux User Group • free software community • free software movement

Groupings of software: List of free software for audio • Graphics hardware and FOSS • LAMP • Embedded Linux • Free Java implementations • Free and Open Source games

Naming issues: GNU/Linux naming controversy • Alternative terms for free software • Mozilla Corporation software rebranded by the Debian project