Portal:Free and open-source software/categories/Short

Small snapshot of categories from Portal:Free software/Categories.

• Antivirus software
• Backup software
• BitTorrent clients
• Business software
• Compilers and interpreters
• File transfer software
• Games
• Genealogy software
• HTML editors
• Instant messengers
• IRC clients
• Library management system
• Media players
• Network management software
• Note-taking software
• Office suites
• Optical disc authoring software
• Search engine software
• Version control software
• VoIP software
• Web browsers
• X window managers
• Free software programmers