| ctags | Tool for fast source code browsing (exuberant ctags) |
| python312Packages.ufolint | Linter for Unified Font Object (UFO) source code |
| inochi-creator | Open source editor for the Inochi2D puppet format |
| fcast-client | FCast Client Terminal, a terminal open-source media streaming client |
| daytona-bin | Open Source Dev Environment Manager |
| luanti-client | Open source voxel game engine (formerly Minetest) |
| luanti-server | Open source voxel game engine (formerly Minetest) |
| openmw | Unofficial open source engine reimplementation of the game Morrowind |
| devpod | Codespaces but open-source, client-only and unopinionated: Works with any IDE and lets you use any cloud, kubernetes or just localhost docker |
| pyload-ng | Free and open-source download manager with support for 1-click-hosting sites |
| espeak-classic | Compact open source software speech synthesizer |
| folly | Open-source C++ library developed and used at Facebook |
| miniz | Single C source file zlib-replacement library |
| dxx-rebirth | Source Port of the Descent 1 and 2 engines |
| openems | Open Source Electromagnetic Field Solver |
| ocamlPackages.cry | OCaml client for the various icecast & shoutcast source protocols |
| vimPlugins.rtp-nvim | Source plugin and ftdetect directories on the Neovim runtimepath. |
| gophish | Open-Source Phishing Toolkit |
| sensu-go-agent | Open source monitoring tool for ephemeral infrastructure & distributed applications |
| seanime | Open-source media server for anime and manga |
| alire | Source-based package manager for the Ada and SPARK programming languages |
| bochs | Open-source IA-32 (x86) PC emulator |
| stockfish | Strong open source chess engine |
| zabbix74.web | Enterprise-class open source distributed monitoring solution (web frontend) |
| zabbix72.web | Enterprise-class open source distributed monitoring solution (web frontend) |
| zabbix60.web | Enterprise-class open source distributed monitoring solution (web frontend) |
| zabbix70.web | Enterprise-class open source distributed monitoring solution (web frontend) |
| swift-format | Formatting technology for Swift source code |
| kdePackages.kigo | Kigo is an open-source implementation of the popular Go game |
| nugget-doom | Doom source port forked from Woof! with additional features |
| gotests | Generate Go tests from your source code |
| melange | Build APKs from source code |
| nasmfmt | Formatter for NASM source files |
| scspell | Spell checker for source code |
| jikken | Powerful, source control friendly REST API testing toolkit |
| avr-sim | AVR assembler simulator for the stepwise execution of assembler source code - with many extras |
| chirp | Free, open-source tool for programming your amateur radio |
| aria2 | Lightweight, multi-protocol, multi-source, command-line download utility |
| mesa | Open source 3D graphics library |
| nnpdf | Open-source machine learning framework for global analyses of parton distributions |
| ballerina | Open-source programming language for the cloud |
| openasar | Open-source alternative of Discord desktop's "app.asar" |
| freecad | General purpose Open Source 3D CAD/MCAD/CAx/CAE/PLM modeler |
| obs-studio-plugins.obs-vnc | VNC viewer integrated into OBS Studio as a source plugin |
| mythtv | Open Source DVR |
| woof-doom | Doom source port based on Boom/MBF |
| winePackages.base | Open Source implementation of the Windows API on top of X, OpenGL, and Unix |
| godot3-debug-server | Free and Open Source 2D and 3D game engine (debug server) |
| graphite | Open source vector graphics editor and procedural design engine |
| freecad-qt6 | General purpose Open Source 3D CAD/MCAD/CAx/CAE/PLM modeler |
| gocyclo | Calculate cyclomatic complexities of functions in Go source code |
| cargo-vet | Tool to help projects ensure that third-party Rust dependencies have been audited by a trusted source |
| veilid | Open-source, peer-to-peer, mobile-first, networked application framework |
| higan | Open-source, cycle-accurate multi-system emulator |
| vtk-full | Open source libraries for 3D computer graphics, image processing and visualization |
| vtkWithQt6 | Open source libraries for 3D computer graphics, image processing and visualization |
| haskellPackages.BinderAnn | Source-to-source plugin for enhancing EDSLs with static annotations |
| questdb | High-performance, open-source SQL database for applications in financial services, IoT, machine learning, DevOps and observability |
| hyp2mat | Import Hyperlynx Boardsim files to openEMS, an open source 3D full-wave electromagnetic field solver |
| openbao | Open source, community-driven fork of Vault managed by the Linux Foundation |
| stract | Open source web search engine |
| asn1c | Open Source ASN.1 Compiler |
| vtk_9_5 | Open source libraries for 3D computer graphics, image processing and visualization |
| python312Packages.swh-scanner | Source code scanner to analyze code bases and compare them with source code artifacts archived by Software Heritage |
| fernglas | Looking glass for your network using BGP and BMP as data source |
| cryptpad | Collaborative office suite, end-to-end encrypted and open-source |
| openxcom | Open source clone of UFO: Enemy Unknown |
| seamly2d | Open source patternmaking software |
| freetube | Open Source YouTube app for privacy |
| nodePackages.ts-node | TypeScript execution environment and REPL for node.js, with source map support |
| nodePackages.sloc | sloc is a simple tool to count SLOC (source lines of code) |
| docker-client | Open source project to pack, ship and run any application as a lightweight container |
| go-import-lint | Golang source code analyzer that checks imports order |
| mlflow-server | Open source platform for the machine learning lifecycle |
| cscope | Developer's tool for browsing source code |
| vtkWithQt5 | Open source libraries for 3D computer graphics, image processing and visualization |
| global | Source code tag system |
| indent | Source code reformatter |
| wangle | Open-source C++ networking library |
| speex | Open Source/Free Software patent-free audio compression format designed for speech |
| haskellPackages.hsx2hs | HSX (Haskell Source with XML) allows literal XML syntax in Haskell source code |
| chromium | Open source web browser from Google |
| oven-media-engine | Open-source streaming video service with sub-second latency |
| tiny8086 | Open-source small 8086 emulator |
| srt-live-server | Open-source low latency livestreaming server, based on Secure Reliable Tranport (SRT) |
| stoat-desktop | Open source user-first chat platform |
| jsluice | Tool for extracting URLs, paths, secrets, and other data from JavaScript source code |
| libtap | Library to implement a test protocol |
| cdogs-sdl | Open source classic overhead run-and-gun game |
| sdlpop | Open-source port of Prince of Persia |
| wfview | Open-source software for the control of modern Icom radios |
| ejabberd | Open-source XMPP application server written in Erlang |
| icinga2-agent | Open source monitoring system |
| tuxpaint | Open Source Drawing Software for Children |
| minimacy | Open-source minimalist computing technology |
| stella | Open-source Atari 2600 VCS emulator |
| vassal | Free, open-source boardgame engine |
| openobex | Open source implementation of the Object Exchange (OBEX) protocol |
| openloco | Open source re-implementation of Chris Sawyer's Locomotion |
| astyle | Source code indenter, formatter, and beautifier for C, C++, C# and Java |