Archivers
Astronomy
Celestia: Space 3D simulator; and Add-ons
Marble: Virtual globe, includes Earth, the Moon, Venus, Mars and other planets
Stellarium: Very realistic desktop planetarium
Chat and Social Networking
Chatty: IRC client for Twitch
Discord
: Chat and VoIP designed for gaming
Konversation: IRC client for KDE
Linphone: SIP VoIP client
MightyText
: SMS from Computer or Tablet
Compilations
Content Management
E-mail and Calendaring
K-9 Mail: Email client for Android
Lightning Calendar: Mozilla add-on for calendaring
Mozilla Thunderbird: Email/news client
RoundCube: Webmail client; and Plugins
WebCalendar: Calendaring application
Emulation
Bizhawk: Multiplatform emulator with Lua scripting
Citra: Nintendo 3DS emulator
Dolphin-Emu: GameCube and Wii emulator
DOSBox: MS-DOS emulator
DraStic
: Nintendo DS emulator for Android and Raspberry Pi
EmulationStation: Emulator front-end, used in RetroPie
Mupen64Plus: Nintendo 64 emulator
RetroArch and Libretro: Frontend for emulators, game engines, and media players
RetroPie: Retro-gaming machine
Wabbitemu: Z80 TI calculator emulator
wxWabbitemu: Wabbitemu fork for Linux
Gaming
AntiMicroX: Map gamepad keys
Battle for Wesnoth: Turn-based strategy
Frogatto & Friends: 2D platformer
Frozen Bubble: Based on Puzzle Bobble
MegaZeux: Game creation system
Pioneers: Based on the Settlers of Catan board game
PopTracker: Item and location tracker for randomized games
Solarus: Engine for games like ZSDX
SuperTux: 2D platformer
Vega Strike: Space Flight Simulator
Graphics and Viewers
A Ruler For Windows
: On-screen pixel ruler
digiKam: Image organizer
GIMP: Raster graphics editor
PDF Split and Merge: Merge and split pdf documents
PDFCreator: Create PDFs in Windows
Ham Radio
AGW Packet Engine
: Packet radio modem
APRSdroid: APRS for Android
Aprx: Terminal-based APRS iGate and Digipeater
CHIRP: Tool for programming amateur radios
EchoLink
: VoIP for amateur radio
EchoMac: EchoLink client
Fldigi: Modem program for digital modes
GtkMMorse: Morse code learning tool
Hamlib: Ham radio control libraries
JMorseTrainer: Morse code learning tool
JT65-HF: Weak signal digital mode
Just Learn Morse Code
: Morse code learning tool
Pocket RXTX
: Android ham rig remote control
QSSTV: SSTV and FAX
Qtel: EchoLink client
Soundmodem: Packet radio modem
SvxLink: Voice services for transceivers, including EchoLink and Voice Mail
Xastir: APRS client
Language and Literature
Artha: English thesaurus
BibleTime: Bible study tool
BibleTime Mini
Calibre: E-book library management application
FBReader: e-Book reader
Multimedia
Audacity: Audio editor
Avidemux: Simple video editing and transcoding
BlackHole: MacOS virtual audio driver that allows applications to pass audio to other applications
FFmpeg: Record, convert and stream audio and video
HandBrake: Video transcodor
K3b: CD/DVD burning application
Kodi: 10-foot user interface media player
LAME MP3 Encoder: MP3 Encoder
OBS Studio: Recording and live streaming
Streamripper: Record streaming audio
VLC Media Player: Multimedia player, encoder, and streamer
Music Composition
MuseScore: Music notation program
Office Suite
LibreOffice: Office application suite
Operating Systems
- Android: Linux based mobile operating system
- Armbian: Debian optimized for other SBCs
- CloudReady: Chromium OS build for aging hardware
- DD-WRT: Router firmware
- Google Chrome OS
: Linux distribution designed for web apps
- Lubuntu: Lightweight Linux distribution
- openSUSE: Linux distribution
- Raspberry Pi OS: Debian optimized for the Raspberry Pi
- ZynthianOS: Sound synthesis for Raspberry Pi
Programming: Automation
Programming: Editors and IDEs
Programming: Languages
Programming: MathStat
Cantor: GUI frontend for R, Maxima, Octave, and others
GNU Octave: Numerical computations
Maxima: Computer algebra system
R: Statistical computing and graphics
wxMaxima: GUI frontend for Maxima
Remote: Clients
FileZilla: FTP, SFTP, and FTPS client
iTerm2: Replacement for Terminal on macOS
KiTTY: SSH, telnet, rlogin, and raw TCP client
KRDC: VNC/RDP client
qBittorrent: BitTorrent client
RealVNC Viewer for Android
: VNC viewer
SFTP Net Drive Free
: Mount SFTP servers to drive letters
SSH Filesystem: Mount SFTP servers to folders
Tunnelblick: OpenVPN client on MacOS
Remote: Servers
Apache HTTP Server: Web server
Barrier: KVM software
FileZilla Server: FTP and FTPS server
Pi-Hole: Network-level ad and tracker blocker
TigerVNC: VNC remote desktop server and client
TightVNC: VNC remote desktop server and client
Virtualization
VirtualBox: x86 and x86_64 virtualization software
Web Browsers
Chromium: WebKit web browser (Builds)
Google Chrome
: WebKit web browser
Mozilla Firefox: Gecko web browser
Web Browsers Add-ons
FluffBusting Purity
: Facebook customizing browser extension
FrankerFaceZ: Twitch interface enhancer
Tampermonkey
: Userscript manager
uBlock Origin: Wide-spectrum blocker (Ad blocker)
Windows Support
Dual Monitor Tools: Tools for multiple monitor setups
Karabiner-Elements: Keyboard customizer for MacOS
Winbolic Link
: Symbolic links for Windows
Wine: Compatibility layer for running Windows software
Xming: X server for Windows
XQuartz: X server for MacOS
- Note: All software packages listed are free software, except for packages marked
as proprietary freeware.