| audacity-docs | | A program that lets you manipulate digital audio waveforms - documentation |
| audaspace | | A high level and feature rich audio library written in C++ with language bindings |
| audex | | Tool for ripping compact discs |
| audio-convert | | A script with an easy to use interface to convert audio files: wav, mp3, ogg, flac, aac, mpc, ape and wma |
| audio-sharing | | Share current computer audio playback in the form of an RTSP stream |
| audiocd-kio | | Kioslave for accessing audio CDs |
| audiofile | | Silicon Graphics Audio File Library |
| audiosystem-passthrough | | |
| audiotube | | Client for YouTube Music |
| audit | | Userspace components of the audit framework |
| augeas | | A configuration editing tool that parses config files and transforms them into a tree |
| augustus | | An enhanced re-implementation of Caesar III |
| aurorae | | A themeable window decoration for KWin |
| aurpublish | | PKGBUILD management/upload framework for the Arch User Repository |
| auth-tarball-from-git | | Authenticate a tarball through a signed tag in a git repository (with reproducible builds) |
| authenticator | | Simple application for generating two-factor authentication (2FA) codes |
| authoscope | | Scriptable network authentication cracker |
| auto-multiple-choice | | AMC is a piece of software that can help you creating and managing multiple choice questionnaires (MCQ), with automated marking. Answers sheets are formatted with LaTeX. |
| autoconf | | A GNU tool for automatically configuring source code |
| autoconf-archive | | A collection of freely re-usable Autoconf macros |
| autogen | | A tool designed to simplify the creation and maintenance of programs that contain large amounts of repetitious text |
| autogit | | Auto build, update, install PKGBUILDS from Github, Gitlab and AUR |
| automake | | A GNU tool for automatically creating Makefiles |
| autopep8 | | A tool that automatically formats Python code to conform to the PEP 8 style guide |
| autoport | | Automated porting coreboot to Sandy Bridge/Ivy Bridge platforms |
| autorandr | | Auto-detect connected display hardware and load appropiate X11 setup using xrandr |
| autossh | | Automatically restart SSH sessions and tunnels |
| autotiling | | Script for sway and i3 to automatically switch the horizontal / vertical window split orientation |
| autotiling-rs | | Automatically alternates container layouts between horizontal and vertical |
| av1an | | Cross-platform command-line encoding framework with per scene quality encoding |
| avahi | | Service Discovery for Linux using mDNS/DNS-SD (compatible with Bonjour) |
| avfs | | Virtual filesystem that allows browsing compressed files |
| avidemux-cli | | Graphical tool to edit video (filter/re-encode/split) |
| avidemux-qt | | Graphical tool to edit video (filter/re-encode/split) - Qt GUI |
| avisynthplus | | An improved version of the AviSynth frameserver |
| avldrums.lv2 | | A simple Drum Sample Player Plugin, dedicated to the AVLinux Drumkits |
| avogadro-crystals | | Crystallographic files of common materials, elements, oxides, for visualization in Avogadro |
| avogadro-fragments | | Molecular fragments and inorganic ligands for rapidly building structures |
| avogadro-molecules | | Common molecule fragments for visualization in Avogadro |
| avogadrolibs | | Libraries that provide 3D rendering, visualization, analysis and data processing useful in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas |
| avogadrolibs-qt5 | | Qt 5 modules for Avogadro |
| avr-binutils | | A set of programs to assemble and manipulate binary and object files for the AVR architecture |
| avr-gcc | | The GNU AVR Compiler Collection |
| avr-gdb | | The GNU Debugger for AVR |
| avr-libc | | The C runtime library for the AVR family of microcontrollers |
| avrdude | | Download/upload/manipulate the ROM and EEPROM contents of AVR microcontrollers |
| awesome | | Highly configurable framework window manager |
| awesome-terminal-fonts | | fonts/icons for powerlines |
| aws-c-auth | | C99 library implementation of AWS client-side authentication: standard credentials providers and signing |
| aws-c-cal | | AWS Crypto Abstraction Layer: Cross-Platform, C99 wrapper for cryptography primitives |