List of free and open-source software packages

Agentic AI • OpenClaw — agentic AI to handle tasks on your computer • Auto-GPT — open-source autonomous goal-driven AI agent framework • AgentGPT — browser-based autonomous AI agent platform General AI • OpenCog – project that aims to build an artificial general intelligence (AGI) framework. OpenCog Prime is a specific set of interacting components designed to give rise to human-equivalent artificial general intelligence. Large language models Computer vision • AForge.NET – computer vision, artificial intelligence and robotics library for the .NET framework • OpenCV – computer vision library in C++ Machine learning • See List of open-source machine learning software • See Data Mining below • See R programming language – packages of statistical learning and analysis tools Planning • TREX – reactive planning Robotics • ArduPilot • CoppeliaSim • Gazebo • Mobile Robot Programming Toolkit • OpenRTM-aist • Paparazzi Project • Player Project • Python Robotics • Robot Operating System (ROS) • TurtleBot • UBtech Thinker • Webots – robot simulator == Assistive technology ==

Speech (synthesis and recognition) • CMU Sphinx – speech recognition software from Carnegie Mellon University • Emacspeak – audio desktop • ESpeak – compact software speech synthesizer for English and other languages • Festival Speech Synthesis System – general multilingual speech synthesis • Modular Audio Recognition Framework – voice, audio, speech NLP processing • NonVisual Desktop Access (NVDA) – screen reader, for Windows • Text2Speech – Text-To-Speech (TTS) Software Other assistive technology • Dasher – unique text input software • Gnopernicus – AT suite for GNOME 2 • Virtual Magnifying Glass – multi-platform screen magnification tool ==CAD==

• Archimedes (CAD) • Art of Illusion • Blender • BRL-CAD – constructive solid geometry (CSG) solid modeling computer-aided design (CAD) system • FreeCAD – parametric 3D CAD modeler with a focus on mechanical engineering, BIM, and product design • LeoCAD — beginner Lego 3D modeler • LibreCAD – 2D CAD software using AutoCAD-like interface and file format • MakeHuman • MeshLab • Open Cascade Technology (OCCT) – CAD kernel for 3D CAD, CAM, CAE • OpenSCAD – scripting-based 3D CAD software • QCAD • SolveSpace – 2D and 3D CAD, constraint-based parametric modeler with simple mechanical simulation abilities • Sweet Home 3D • Wings 3D Computer-aided engineering (CAE) • Advanced Simulation Library • ASCEND • DWSIM • Elmer FEM solver • Gmsh • LibreCAD • MapleSim • Modelica • OpenSim • OpenFOAM • Project Chrono • Salome • SimScale • SU2 code • xeokit Computer-aided manufacturing (CAM) ====Subtractive==== • LinuxCNC • FreeCAD – Path Workbench ====Additive Manufacturing==== • Cura • Slic3r • MeshLab • OctoPrint • Marlin • Klipper • Repetier-Host • AstroPrint Electronic design automation (EDA) • tscircuit • Electric • FreePCB • Fritzing – CAD software for the design of electronics hardware to build more permanent circuits from prototypes • gEDA • GNU Circuit Analysis Package (Gnucap) • Icarus Verilog • KiCad – suite for electronic design automation (EDA) for schematic capture, PCB layout, manufacturing file viewing, SPICE simulation, and engineering calculation • KTechLab • Magic • Ngspice • pcb-rnd • Oregano • Quite Universal Circuit Simulator (QUCS) • Verilator • XCircuit ==Computer simulation==

• Blender – 3D computer graphics software toolset used for creating animated films, visual effects, art, 3D printed models, and motion graphics • FreeCad – equivalent of Blender, towards to mechanical engineering • OpenFOAM – software used for computational fluid dynamics (or CFD) • FlightGear - atmospheric and orbital flight simulator with a flight dynamics engine (JSBSim) that was used in a 2015 NASA benchmark to judge new simulation code to space industry standards • SimPy – queue-theoretic event-based simulator written in Python • Salome – generic platform for Pre- and Post-Processing for numerical simulation ==Cypherpunk software==

Cryptography and Privacy Software • OpenPGP – open-source version of Pretty Good Privacy • GNU Privacy Guard – replacement for PGP • OpenSSL – library for applications that provide secure communications over computer networks • NaCl (software) – crypto library • Libsodium – fork of NaCl • VeraCrypt – disk encryption software forked from TrueCrypt • LUKS – standard for disk encryption on Linux systems • Nym (mixnet) - mix network that uses noise and random packet timing for obfsucation, overlay network for NymVPN • Tor (network) – free overlay network for enabling anonymous communication • Tails (operating system) – security-focused Linux distro using Tor by default • Signal (software) – secure messaging app • Off-the-Record Messaging – protocol for secure instant messaging • GPGTools – macOS suite for GnuPG-based encryption Hacking and Network Security Tools • Aircrack-ng – Wi-Fi security auditing tool • BackTrack – predecessor to Kali Linux • Burp Suite Community Edition – security assessment and penetration testing of web applications • Ghidra – software reverse engineering suite developed by the NSA • Hashcat – password recovery utility • High Orbit Ion Cannon - Ddos • hping3 — packet crafting and network penetration-testing utility • Hydra (software) – login cracker supporting numerous protocols • John the Ripper – password cracking tool • Kali Linux – penetration testing Linux distribution • Metasploit Project – framework for developing and executing exploit code • Netcat – network utility for reading/writing data across networks • Nikto (vulnerability scanner) – web server vulnerability scanner • Nmap – network scanning, port scanner, and auditing tool • OpenSSH – implementation of the SSH protocol • Radare2 – reverse engineering framework • Snort (software) – network intrusion detection system • sqlmap – automated SQL injection and database takeover tool • Suricata (software) – network threat detection engine • Volatility (memory forensics) – memory forensics framework for incident response • Wireshark – network protocol analyzer • YARA – tool to identify and classify malware Decentralized and Anonymous Communication Projects • Freenet – peer-to-peer platform for censorship-resistant communication • Bitmessage – encrypted peer-to-peer messaging protocol • I2P – anonymous network layer for secure communication • Nym Technologies - privacy- and security-focused VPN service • Tor (network) – free overlay network for enabling anonymous communication Decentralized File Sharing and Storage • qBittorrent – BitTorrent client • Transmission (BitTorrent client) – lightweight BitTorrent client • IPFS – InterPlanetary File System for decentralized storage and sharing • RetroShare – secure communication platform with file sharing Cryptocurrencies and Anonymous Finance • Zerocoin – privacy-focused cryptocurrency protocol • Zcash – cryptocurrency based on Zerocoin using zk-SNARKs • Monero – privacy-focused cryptocurrency using ring signatures • NYM) — Nym mixnet privacy- and security-focused token == Cybersecurity ==

Antivirus • ClamAV – cross-platform antimalware toolkit written in C and C++, able to detect many types of malware including viruses • ClamWin – antivirus tool for Windows and written in C, C++ • Lynis – security audit tool (set of shell scripts) for Unix and Linux Data loss prevention • MyDLP not updated since 2014 Data recovery • dvdisaster • ddrescue • Foremost • PhotoRec • TestDisk Forensics • The Coroner's Toolkit • The Sleuth Kit Anti-forensics • USBKill • Tails • BusKill Disk erasing • DBAN • srm Encryption • Bouncy Castle • GnuPG • GnuTLS • KGPG • NaCl • OpenSSL • Seahorse • Signal • stunnel • TextSecure • wolfCrypt • 7-Zip Disk encryption • dm-crypt • FreeOTFE and FreeOTFE Explorer • eCryptfs • VeraCrypt Firewall • Firewalld • Uncomplicated Firewall (ufw) • Firestarter • IPFilter • ipfw • iptables • nftables • IPFire • LEAF Project • M0n0wall • PeerGuardian • PF • pfSense • OPNsense • Rope • Shorewall • SmoothWall • Vyatta • VyOS Network and security monitoring • Snort – network intrusion detection system (IDS) and intrusion prevention system (IPS) • Suricata – network threat detection engine • OpenVAS – software framework of several services and tools offering vulnerability scanning and vulnerability management • Nmap – network scanner, port scanner, and security auditing tool • Nikto – web server vulnerability scanner • Volatility – memory forensics framework for incident response Secure Shell (SSH) • Cyberduck – macOS and Windows client (since version 4.0) • Lsh – server and client, with support for SRP and Kerberos authentication • OpenSSH – client and server • PuTTY – client-only Password management • Bitwarden • KeePass • KeePassXC – multiplatform fork able to open KeePass databases • Password Safe • Mitro • Pass • Proton Pass Other cybersecurity programs == Data storage and management ==

Disk cleaning utilities • BleachBit Backup software Database management systems (including administration) • Apache Cassandra – NoSQL database from Apache Software Foundation offers support for clusters spanning multiple datacenter • Apache CouchDB – NoSQL database from Apache Software Foundation with multi-master replication • MariaDB – community-developed relational database management system with pluggable storage engines and commercial support • PostGIS – adds support for geographic objects to the PostgreSQL as per Open Geospatial Consortium (OGC) • PostgreSQL – relational database management system emphasizes on extensibility and SQL compliance and available for Windows, Linux, FreeBSD, and OpenBSD Data mining • Environment for DeveLoping KDD-Applications Supported by Index-Structures (ELKI) – data mining software framework written in Java with a focus on clustering and outlier detection methods • FrontlineSMS – information distribution and collecting via text messaging (SMS) • Konstanz Information Miner (KNIME) • OpenNN – neural network software library written in C++ • Orange (software) – data visualization and data mining for novice and experts, through visual programming or Python scripting. Extensions for bioinformatics and text mining • RapidMiner – data mining software written in Java, fully integrating Weka, featuring 350+ operators for preprocessing, machine learning, visualization, etc. – the prior version is available as open-source • Scriptella ETL – ETL (Extract-Transform-Load) and script execution tool. Supports integration with J2EE and Spring. Provides connectors to CSV, LDAP, XML, JDBC/ODBC, and other data sources • Weka – data mining software written in Java featuring machine learning operators for classification, regression, and clustering • JasperSoft – data mining with programmable abstraction layer Data Visualization Components • ParaView – plotting and visualization functions developed by Sandia National Laboratory; capable of massively parallel flow visualization utilizing multiple computer processors • VTK – toolkit for 3D computer graphics, image processing, and visualisation Digital Asset Management software system Disk partitioning software • GParted • FIPS (computer program) • TestDisk Enterprise search engines • ApexKB (formerly known as Jumper) • Lucene • Nutch • Solr • Xapian ETLs (Extract Transform Load) • Konstanz Information Miner (KNIME) • Pentaho File archivers • PeaZip • 7-Zip File systems • OpenAFS – distributed file system supporting a very wide variety of operating systems • Tahoe-LAFS – distributed file system/Cloud storage system with integrated privacy and security features • CephFS – distributed file system included in the Ceph storage platform == Desktop publishing ==

• Collabora Online Draw and Writer – edition of LibreOffice accessible from a web browser • Scribus – designed for layout, typesetting, and preparation of files for professional-quality image-setting equipment. It can also create animated and interactive PDF presentations and forms • LyX – "What You See Is What You Mean" document creation system, LyX makes use of the LaTeX markup macro system for TeX, allowing the elegant creation of documents which match up with the layouts in it for various document classes == E-book management and editing ==

• Calibre – cross-platform suite of ebook software • Collabora Online Writer – edition of LibreOffice accessible from a web browser • Sigil – editing software for e-books in the EPUB format == Education ==

E-learning, learning support • ATutor – web-based Learning Content Management System (LCMS) • Canvas LMS – web-based, open, extensible learning management system • Chamilo – web-based e-learning and content management system • Claroline – collaborative Learning Management System • DoceboLMS – SAAS/cloud platform for learning • eFront – icon-based learning management system • H5P – framework for creating and sharing interactive HTML5 content • IUP Portfolio – educational platform for Swedish schools • ILIAS – web-based learning management system (LMS) • Moodle – learning management system • OLAT – web-based Learning Content Management System • Omeka – content management system for online digital collections • Sakai Project – web-based learning management system • SWAD – web-based learning management system Academic advising • FlightPath – academic advising software for universities Educational suites for children • Tux Paint – painting application for 3–12 year olds • GCompris – educational entertainment, aimed at children aged 2–10 Language • Alpheios Project • Anki (software) • FirstVoices • Kiten Operating systems • Linux – Unix-based general use OS • FreeBSD • Fuchsia • RedoxOS • OpenBSD • DragonFlyBSD • NetBSD • GNU/Hurd Mind mapping & others • Vym (software) • Compendium (software) • Gnaural – brainwave entrainment software Offline learning & Open data • Kiwix – offline web browser that allows users to download Wikipedia's entire content and use it for offline learning. Later it was expanded with repositories for Wikimedia Foundation, public domain texts from Project Gutenberg, many of the Stack Exchange sites, and other resources • OpenStreetMap – OpenStreetMap was developed in 2004. It uses Open data and users data input through Crowdsourcing and Web mapping to create a complete and downloadable alternative to other online maps. This allow users to enter data when there is no data available due to lack of governance and economic interest or due to lower population of the places mapped Typing • KTouch – touch typing lessons with a variety of keyboard layouts • Tux Typing – typing tutor for children, featuring two games to improve typing speed ==Engineering==

• Advanced Simulation Library • ASCEND • Calcpad • Calculix • CHEMKIN – chemical kinetics • COCO simulator – chemical process simulator • CP2K – quantum chemistry and solid-state physics • DWSIM – chemical process simulator • General Mission Analysis Tool (GMAT) – space mission analysis • GNU Octave – numerical-analysis • GROMACS – simulations of proteins, lipids, and nucleic acids • JSBSim – flight dynamics engine • LAMMPS – Molecular dynamics • Open Babel – chemical informatics • OpenModelica – chemical process simulator • OpenSees – earthquake engineering • OpenVSP – parametric aircraft geometry tool • Pyomo – mathematical optimization • QBlade – wind turbine design and aerodynamic simulation software • REFPROP – reference Fluid Thermodynamic and Transport Properties • XFOIL – analysis of subsonic isolated airfoils ==File formats==

2D ====Raster imagery==== • .apng – Animated Portable Network Graphics • .avif – AV1 Image File Format • .bpg – Better Portable Graphics • .exr – OpenEXR • .fits – Flexible Image Transport System primarily for Astronomy • .flif – Free Lossless Image Format • .gif – Graphics Interchange Format • .iff / .lbm – InterLeaved BitMap • .jng – JPEG Network Graphics • .jpg or .jpeg – Joint Photographic Experts Group • .jxl – JPEG XL • .mng – Multiple-image Network Graphics • .miff / .mi – Magick Image File Format • .pam, .pbm, .pgm, .ppm, .pnm – Netpbm file formats • .pgf – Progressive Graphics File • .png – Portable Network Graphics • .qoi – Quite OK Image Format • .tiff – Tag Image File Format • .wbmp – Wireless Application Protocol Bitmap Format • .webp • .xbm – X BitMap • .xcf – GIMP • .xpm – X PixMap ====Vector imagery==== • .cgm – Computer Graphics Metafile • .eps – Encapsulated PostScript • .pdf – Portable Document Format • .pgml – Precision Graphics Markup Language • .svg – Scalable Vector Graphics • .vml – Vector Markup Language, deprecated by SVG • .xar – Xar (graphics) 3D • .3mf – 3D Manufacturing Format • .amf – Additive manufacturing file format • .blend – Blender • .dae – COLLADA • .dxf – Drawing Exchange Format, publicly documented format, developers can work with it in open-source projects, though not fully open-source itself. • .fbx • .gltf/.glb – Graphics Library Transmission Format • .hdr – Radiance HDR • .ifc – Industry Foundation Classes • .iges – Initial Graphics Exchange Specification • .obj – developed by Wavefront Technologies • .off – Object File Format • .ply – Polygon File Format • .rad – Radiance • .step/.stp • .stl • .usd – Universal Scene Description • .vrml – Virtual Reality Modeling Language • .x3d Video • .mkv – Matroska • .ogv – Theora • .vp8 • .vp9 • .webm Audio • .aiff – Audio Interchange File Format • .flac – Free Lossless Audio Codec • .ogg • .opus • .wav Document & Text • .adoc – AsciiDoc • .epub – ebook format • .latex – , macro package built on top of TeX for simplification • .md – Markdown • .odt – OpenDocument • .rtf – Rich Text Format • .tex – high-quality typography for mathematical notation, physics, chemistry, engineering/scientific notation • .texinfo Web and Interactive Media • .css – Cascading Style Sheets • .html – HyperText Markup Language • .json – GeoJSON, JSON-LD, JSON-RPC, JsonML, Smile, UBJSON • .mml – MathML Database & Data Storage • .avro – Apache Avro • .cml – Chemical Markup Language • .csv – Comma-separated values • .hdf5 – Hierarchical Data Format • .ods – OpenDocument Spreadsheet • .orc – Apache ORC • .parquet – Apache Parquet • .protobuf – Protocol Buffers developed by Google • .shp – Shapefile • .sqlite – SQLite • .tsv – Tab-separated values • .xml – Extensible Markup Language == File managers ==

Accounting • 1DayLater – invoicing software • GnuCash – double-entry book-keeping • HomeBank – personal accounting software • KMyMoney – double-entry book-keeping • LedgerSMB – double-entry book-keeping • RCA open-source application – management accounting application • SQL-Ledger – double-entry book-keeping • TurboCASH – double-entry book-keeping for Windows Cryptocurrency • Bitcoin – blockchain platform, peer-to-peer decentralised digital currency • Ethereum – blockchain platform with smart contract functionality CRM • CiviCRM – Constituent Relationship Management software aimed at charities and NGOs • iDempiere – business Suite, ERP and CRM • SuiteCRM – web-based CRM ERP • Adempiere – Enterprise resource planning (ERP) business suite • Apache OFBiz – suite of enterprise applications from Apache Software Foundation • Compiere – ERP solution automates accounting, supply chain, inventory, and sales orders • Dolibarr – web-based ERP system • ERPNext – web-based ERP system for managing accounting and finance • ERP5 – Single Unified Business Model based system written with Python and Zope • iDempiere – fully navigable on PCs, tablets and smartphones driven only by a community of supporters • JFire – ERP business suite written with Java and JDO • LedgerSMB – double entry accounting and ERP system written with Perl • metasfresh – ERP Software • Odoo – ERP, CRM and CMS • Openbravo – web-based ERP • Tryton – ERP Human resources • OrangeHRM – commercial human resource management Microfinance • Mifos – microfinance Institution management software Process management • Bonita Open Solution – Business Process Management == Games ==

Game engines • A-Frame (VR) • Adventure Game Studio • Aleph One • Ardor3D • Babylon.js • Blend4Web • Blender Game Engine • ClanLib • Cocos2d • Crystal Space • Cube Engine • Cube 2 engine • Dagor Engine • Defold • Delta3D • Dim3 • DimensioneX Multiplayer Engine • Flixel • Game Editor • GDevelop • Godot • Horde3D • id Tech 1-4 • Irrlicht • ioquake3 • Jake2 • Java 3D • jMonkeyEngine • Kivy • LayaAir • LibGDX • LÖVE • Moai • Monkey X • MonoGame • Open 3D Engine • OGRE • OHRRPGCE • OpenClonk • OpenMW • OpenSimulator • ORX • Panda3D • Phaser • PlayCanvas • PlayN • Pygame • Quake II engine • Ren'Py • Solar2D • Starling Framework • StepMania • Stratagus • Stride • Three.js • TIC-80 • Torque3D • Turbulenz engine • Twine • Visual Pinball • Wintermute Engine Physics engines • Box2D • Bullet • Cannon.js • Chipmunk • Newton Game Dynamics • Open Dynamics Engine • NVIDIA PhysX • Phyz • Project Chrono Shader languages • ARB assembly language • Cg • OpenGL Shading Language • Open Shading Language • Standard Portable Intermediate Representation Action • Nexuiz – first-person shooter • OpenArena – first-person shooter • Red Eclipse – first-person shooter • Tremulous – first-person shooter • Unvanquished – First-person shooter • Xonotic – first-person shooter that runs on a heavily modified version of the Quake engine known as the DarkPlaces engine • Warsow – first-person shooter fast-paced arena FPS game that runs on the Qfusion engine Application layer • WINE – allows Windows applications to be run on Unix-like operating systems Chess • ChessV • Fairy-Max • GNU Chess • PyChess • XBoard • Lichess Educational games • GCompris – software suite comprising educational entertainment software for children aged 2 to 10 • Tux, of Math Command • Tux Paint Video game emulation • MAME – multi-platform emulator for arcade game systems • Mednafen – multi-platform emulator • MESS – multi-platform emulator • RetroArch – cross-platform front-end for emulators, game engines and video games • Snes9x – Super Nintendo emulator • Stella – Atari 2600 emulator • PCSX – PlayStation emulator • PCSX2 – PlayStation 2 emulator • PPSSPP – PlayStation Portable emulator • Project64 – Nintendo 64 emulator • RetroArch – emulator and media player frontend • RPCS3 – PlayStation 3 emulator • Dolphin (emulator) – GameCube and Wii emulator • Citra (emulator) – Nintendo 3DS and Wii emulator • Cemu – Wii U emulator • TIC-80 – virtual machine game engine that mimics the 8-bit systems of the 1980s Music video games • Frets on Fire Karaoke • UltraStar Rhythm game • StepMania Puzzle • Pingus – Lemmings alternative with penguins instead of lemmings Sandbox • Luanti – voxel game engine Snake games • GLtron Simulation • Endless Sky – space trading and combat simulation • FlightGear – flight simulator • OpenTTD – business simulation game in which players try to earn money via transporting passengers and freight by road, rail, water and air • SuperTuxKart – kart racing game that features mascots of various open-source projects Strategy • 0 A.D. – real-time strategy video game • Freeciv – turn-based strategy game inspired by proprietary Sid Meier's Civilization series • Glest • The Battle for Wesnoth – turn-based strategy video game with fantasy setting ==Genealogy==

• Gramps (software) – genealogy software == Geographic information systems ==

• QGIS – cross-platform desktop geographic information system (GIS) application to view, edit, and analyse geospatial data ==Graphical user interface==

Desktop environments Window managers Windowing system ==Groupware==

Content management systems Wiki software == Healthcare software ==

==Integrated library management software==

• Evergreen – integrated Library System initially developed for the Georgia Public Library Service's PINES catalog • FOLIO - Modular, open-source library services platform • Koha – SQL-based library management • NewGenLib • OpenBiblio • PMB • refbase – web-based institutional repository and reference management software ==Image editor==