, Amiga emulation, Amiga programming languages, Amiga Unix, Amir Taaki, Ampache, AMule, Ana (programming language), Anaconda (installer), Anarchist economics, Anarcho-communism, Andrew Clausen, Andrew Fluegelman, Andries Brouwer, Anthy, Antiword, ANTLR, Apache CloudStack, Apache FreeMarker, Apache Mahout, Apache SpamAssassin, APC Smart-UPS, Apcupsd, Apertium, ApexKB, App Store (macOS), Apper, Apple Filing Protocol, Apple ProRes, Apple–Intel architecture, April (French association), APT (Debian), Aqsis, Aquad, ArabDev, Arabeyes, Araucaria (software), Arch Linux, Arch Linux ARM, Archaeological Recording Kit, Archimedes (CAD), Archos Jukebox series, Archy, ArcoLinux, Arden2ByteCode, Ardour (software), ArduCopter, ArduPilot, Aria Maestosa, Arial, Armijn Hemel, Art.
Ģ579 relations: AAlib, Abandonware, ABC (Yet Another BitTorrent Client), ABC No Rio, Accounts & SSO, ACE (compressed file format), ACE (editor), AcetoneISO, ACL2, Acorn C/C++, ActiveVFP, Ada (programming language), Adaptive Multi-Rate audio codec, AdBlock, Adept (C++ library), Adevs, Adium, Admon, Adobe Creative Suite, Adobe Flash Player, Adobe InDesign, Adoption of free and open-source software by public institutions, AdvanceCOMP, Advanced Audio Coding, Advanced Intrusion Detection Environment, Advogato, Aegisub, Africa Source, African Institute for Mathematical Sciences, After the Software Wars, Agent-based social simulation, AICCU, AIML, Ajax Animator, AkelPad, Akismet, Alan Cox, Alexandre Oliva, Alice (programming language), Alientrap, Alioth (Debian), Alliance for Open Media, AllPeers, Alpine (email client), Alternative terms for free software, Amateur professionalism, Amazon Silk, Ambisonics, AMD Optimizing C/C++ Compiler, American fuzzy lop (fuzzer). veusz.Free software or libre software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, and distribute it and any adapted versions.