3dldf | Three-dimensional drawing with MetaPost output. | https://www.gnu.org/software/3dldf/ | SimplePermissiveNoNonWarranty SimplePermissiveNonWarranty GFDL Other GPLv2orlater with exception GPLv2orlater GPLv3orlater GPLv3orlater with exception | [[File:Heckert_gnu.small.png|30px]] |
4store | RDF database storage and query engine -- database daemon | https://github.com/garlik/4store | PublicDomain Zlib Other GPLv2orlater with exception GPLv3orlater | |
4tH | Forth compiler with a conventional compiler instead of the standard Forth engine | http://www.xs4all.nl/~thebeez/4tH/foldtree.html | GPLv3orlater | |
8sync | Asynchronous programming for Guile. | https://www.gnu.org/software/8sync/ | SimplePermissiveNoNonWarranty SimplePermissiveNonWarranty Other Expat GPLv3orlater LGPLv3orlater Creative Commons Attribution 3.0 GFDLv1.3orlater | [[File:Heckert_gnu.small.png|30px]] |
9menu | Creates X menus from the shell | https://tracker.debian.org/pkg/9menu | Other GPLv3orlater | |
ABI compliance checker | tool to compare ABI compatibility of shared C/C++ library versions | https://abi-laboratory.pro/ | GPLv3orlater | |
ABX Tester | audio ABX testing software | http://phintsan.kapsi.fi/abx.html | GPLv3orlater | |
ABYSS | Automates some streaming operations and provides feedback for volunteers | https://vcs.fsf.org/?p=libre-streamer.git&a=summary | GPLv3orlater | |
ACE UC Sniffer | A simple VoIP corporate directory enumeration tool | http://ucsniff.sourceforge.net/ace.html | GPLv3orlater | |
ADL | Application Database Load balancing class for MySQL | https://github.com/adlproject/ADL | GPLv3orlater | |
AElhometta | Archaic attempt at autonomous non-sandboxed distributed artificial life of assembler automaton type | https://github.com/aelhometta/aelhometta | GPLv3orlater | |
AFFLIBv3 | Advanced Forensics Format Library (debug version) | https://github.com/sshock/AFFLIBv3 | ISC Other BSD 3Clause GPLv3orlater LGPLv3 | |
AKFAvatar | make word bubbles for avatars | http://akfavatar.nongnu.org/ | GPLv3orlater | |
ALSA | ALSA driver configuration files | http://www.alsa-project.org/ | GPLv3orlater | |
ANDREW's Not a DVD Ripping and Encoding Wizard | an interactive command-line interface that simplifies the use of some application to create AVI, Matroska or OGM files from DVDs. | http://tobemem.memebot.com/ | GPLv3orlater | |
ARChon Packager | ARChon Packager (formerly Chrome APK Packager) is a convenient way to produce Chrome ARChon Custom Runtime packages directly from your phone. | https://github.com/bpear96/ARChon-Packager | GPLv3orlater | |
ARandR | Simple visual front end for XRandR | http://christian.amsuess.com/tools/arandr/ | GPLv3orlater | |
ASIS | Ada Semantic Interface Specification | http://docs.adacore.com/asis-docs/html/asis ug/asis ug/introduction.html#introduction | GPLv3orlater | |
AUnit | AUnit, a unit testing framework for Ada: documentation | http://libre.adacore.com/libre/ | GPLv3orlater | |
AVideo | A powerful, 100% libre video and audio downloader for GNU/Linux | https://notabug.org/GPast/avideo | GPLv3orlater | |
Aasm | Advanced assembler. | https://savannah.nongnu.org/projects/aasm/ | GPLv3orlater | |
Abiword | efficient, featureful word processor with collaboration | http://www.abisource.com/ | Other GPLv2orlater BSD 2Clause GPLv2 LGPLv2orlater GPLv3orlater LGPLv2 | |
Absence | Calendar for keeping track of people | http://www.unix-wissen.de/absence/ | GPLv3orlater | |
Academic Teaching Planner | A free software to manage academic courses | https://sites.google.com/view/academic-teaching-planner | GPLv3orlater | |
AccountsService | query and manipulate user account information | http://cgit.freedesktop.org/accountsservice/ | GPLv2orlater GPLv3orlater | |
AcetoneISO | feature-rich application to mount and manage CD and DVD images | https://sourceforge.net/projects/acetoneiso/ | Other GPLv3orlater | |
Acpi call | Kernel module that enables you to call ACPI methods | https://github.com/mkottman/acpi call | GPLv3orlater | |
AdPlug | free AdLib sound library (utils) | http://adplug.sourceforge.net/ | Other LGPLv2orlater GPLv3orlater | |
Ada Web Server | Ada Web Server documentation | https://libre.adacore.com/libre | BSD 3Clause Expat GPLv3orlater | |
AdaGate | combination of Sokoban and Portal | https://sourceforge.net/projects/adagate/ | GPLv3orlater | |
Adhoc | M4 macros to generate general-purpose portable shell scripts. | https://savannah.gnu.org/projects/adhoc/ | GPLv3orlater GPLv3orlater with exception | |
Adlint | Source code static analyzer | http://adlint.sourceforge.net/ | GPLv3orlater | |
Ag.el | Emacs frontend to ag | https://github.com/Wilfred/ag.el | GPLv3orlater | |
Ahven | Unit test library for Ada (debug) | http://ahven.stronglytyped.org/ | Other GPLv3orlater | |
Air-quality-sensor | user space driver for AppliedSensor's Indoor Air Monitor | https://github.com/bwildenhain/air-quality-sensor | GPLv3orlater | |
Aisleriot | GNOME solitaire card game collection | https://wiki.gnome.org/Apps/Aisleriot | Other GPLv3orlater LGPLv3 | |
Aj-snapshot | make snapshots of JACK connections | http://aj-snapshot.sourceforge.net/ | GPLv3orlater | |
Akfquiz | Write quiz-games and psychotests. | https://www.nongnu.org/akfquiz/ | GPLv3orlater | |
AlbumEasy | Software for creating custom stamp album pages | https://www.thestampweb.com/albumeasy | GPLv3orlater | |
Alleyoop | Alleyoop is a GNOME front-end to the Valgrind memory checker. | http://alleyoop.sourceforge.net/ | GPLv3orlater | |
Alot | Text mode MUA using notmuch mail | https://github.com/pazz/alot/ | Other GPLv3orlater | |
Alsaplayer | PCM (audio) player for ALSA | http://alsa-project.org/ | GPLv3orlater | |
Ambisuite | programs for manipulating ambisonic (sound) files. | http://mchapman.com/amb/index | GPLv3orlater | |
Android- dg Alert Classic | Completely revamps and improves SMS and MMS notifications for the Android phone. | http://android.mikedg.com/apps/alert/ | GPLv3orlater | |
Animal Sniffer | JDK/API verification tools | http://mojo.codehaus.org/animal-sniffer/ | Other GPLv3orlater | |
Anise | one software project administration tool for all environments | https://ginger.ws/wiki/pino/projs/anise | GPLv3orlater | |
Ansible | Configuration management, deployment, and task execution system | https://www.ansible.com/ | Other GPLv2 GPLv3orlater | |
Antimicro | map keyboard and mouse controls to a gamepad | https://github.com/AntiMicro/antimicro | GPLv3orlater | |
Anypaper | front-end for wallpapersetter | http://anypaper.sourceforge.net | GPLv3orlater | |
App-install-data | Application Installer Data Files | https://tracker.debian.org/pkg/app-install-data | Other GPLv2 GPLv3orlater | |