| headscale | Open source, self-hosted implementation of the Tailscale control server |
| libpaper | Library for handling paper characteristics |
| javaPackages.compiler.openjdk8 | Open-source Java Development Kit |
| ctagsWrapped | Tool for fast source code browsing (exuberant ctags) |
| gogetdoc | Gets documentation for items in Go source code |
| influxdb2-server | Open-source distributed time series database |
| coq2html | HTML documentation generator for Coq source files |
| kdePackages.qgpgme | Qt API bindings/wrapper for GPGME |
| nix-prefetch-git | Script used to obtain source hashes for fetchgit |
| nix-prefetch-cvs | Script used to obtain source hashes for fetchcvs |
| nix-prefetch-bzr | Script used to obtain source hashes for fetchbzr |
| nix-prefetch-svn | Script used to obtain source hashes for fetchsvn |
| qt6Packages.qgpgme | Qt API bindings/wrapper for GPGME |
| nlopt | Free open-source library for nonlinear optimization |
| ronin | Free and Open Source Ruby toolkit for security research and development |
| snipe-it | Free open source IT asset/license management system |
| faad2 | Open source MPEG-4 and MPEG-2 AAC decoder |
| kapacitor | Open source framework for processing, monitoring, and alerting on time series data |
| legendary-gl | Free and open-source Epic Games Launcher alternative |
| qemu_kvm | Generic and open source machine emulator and virtualizer |
| umlet | Free, open-source UML tool with a simple user interface |
| unciv | Open-source Android/Desktop remake of Civ V |
| linuxPackages_xanmod.nxp-pn5xx | NXP's NFC Open Source Kernel mode driver with ACPI configuration support |
| linuxPackages_latest.nxp-pn5xx | NXP's NFC Open Source Kernel mode driver with ACPI configuration support |
| ubertooth | Open source wireless development platform suitable for Bluetooth experimentation |
| python313Packages.rdkit | Open source toolkit for cheminformatics |
| python314Packages.rdkit | Open source toolkit for cheminformatics |
| comet-gog_heroic | Open Source implementation of GOG Galaxy's Communication Service |
| netsurf.browser | Free, open source, small web browser |
| netsurf-browser | Free, open source, small web browser |
| sofia_sip | Open-source SIP User-Agent library, compliant with the IETF RFC3261 specification |
| ghostfolio | Open Source Wealth Management Software |
| krita-unwrapped | Free and open source painting application |
| earlybird | Sensitive data detection tool capable of scanning source code repositories for passwords, key files, and more |
| python313Packages.font-v | Python utility for manipulating font version headers |
| augustus | Open source re-implementation of Caesar III. Fork of Julius incorporating gameplay changes |
| fpc | Free Pascal Compiler from a source distribution |
| zabbix60.agent | Enterprise-class open source distributed monitoring solution (client-side agent) |
| zabbix.agent2 | Enterprise-class open source distributed monitoring solution (client-side agent) |
| vivictpp | Easy to use tool for subjective comparison of the visual quality of different encodings of the same video source |
| davs2 | Open-source decoder of AVS2-P2/IEEE1857.4 video coding standard |
| krank | Krank checks issue tracker link status in your source code |
| qgrep | Fast regular expression grep for source code with incremental index updates |
| redis | Open source, advanced key-value store |
| xavs2 | Open-source encoder of AVS2-P2/IEEE1857.4 video coding standard |
| tt2020 | Advanced, open source, hyperrealistic, multilingual typewriter font for a new decade |
| discourseAllPlugins | Open source discussion platform |
| lightspark | Open source Flash Player implementation |
| platformio | Open source ecosystem for IoT development |
| urbackup-client | Easy to setup Open Source client/server backup system |
| python313Packages.genpy | C/C++ source generation from an AST |
| python314Packages.font-v | Python utility for manipulating font version headers |
| python314Packages.genpy | C/C++ source generation from an AST |
| liblouis | Open-source braille translator and back-translator |
| speexdsp | Open Source/Free Software patent-free audio compression format designed for speech |
| gcc-arm-embedded-14 | Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors |
| obs-studio-plugins.obs-vintage-filter | OBS Studio filter where the source can be set to be black & white or sepia |
| godotPackages_4.export-template | Free and Open Source 2D and 3D game engine |
| libsForQt5.maplibre-gl-native | Open-source alternative to Mapbox GL Native |
| openrgb-with-all-plugins | Open source RGB lighting control |
| ocamlPackages_latest.dream-html | Write HTML directly in your OCaml source files with editor support |
| python312Packages.meson | Open source, fast and friendly build system made in Python |
| python313Packages.depyf | Decompile python functions, from bytecode to source code |
| python314Packages.depyf | Decompile python functions, from bytecode to source code |
| monetdb | Open source database system |
| nspr | Netscape Portable Runtime, a platform-neutral API for system-level and libc-like functions |
| gcc-arm-embedded | Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors |
| gcc-arm-embedded-13 | Pre-built GNU toolchain from ARM Cortex-M & Cortex-R processors |
| infamousPlugins | Collection of open-source LV2 plugins |
| valhalla | Open Source Routing Engine for OpenStreetMap |
| ocamlPackages_latest.pp_loc | Quote and highlight input fragments at a given source location |
| nodePackages_latest.elm-oracle | Query for information about values in elm source files. |
| python313Packages.meson | Open source, fast and friendly build system made in Python |
| python313Packages.qutip | Open-source software for simulating the dynamics of closed and open quantum systems |
| python314Packages.meson | Open source, fast and friendly build system made in Python |
| python314Packages.qutip | Open-source software for simulating the dynamics of closed and open quantum systems |
| include-what-you-use | Analyze #includes in C/C++ source files with clang |
| mysql84 | World's most popular open source database |
| zabbix70.agent | Enterprise-class open source distributed monitoring solution (client-side agent) |
| zabbix74.agent | Enterprise-class open source distributed monitoring solution (client-side agent) |
| zabbix72.agent | Enterprise-class open source distributed monitoring solution (client-side agent) |
| outguess | Universal steganographic tool that allows the insertion of hidden information into the redundant bits of data sources |
| lucide | Open-source icon library that provides 1000+ icons |
| lexbor | Open source HTML Renderer library |
| ocamlPackages.ocamlmod | Generate OCaml modules from source files |
| python313Packages.gpgme | Python bindings to the GPGME API of the GnuPG cryptography library |
| python314Packages.gpgme | Python bindings to the GPGME API of the GnuPG cryptography library |
| grafana-alloy | Open source OpenTelemetry Collector distribution with built-in Prometheus pipelines and support for metrics, logs, traces, and profiles |
| opendkim | C library for producing DKIM-aware applications and an open source milter for providing DKIM service |
| ormolu | A formatter for Haskell source code |
| nika-fonts | Persian/Arabic Open Source Font |
| taisei | Free and open-source Touhou Project clone and fangame |
| sympa | Open source mailing list manager |
| godotPackages_4_6.export-template | Free and Open Source 2D and 3D game engine |
| godotPackages.export-template | Free and Open Source 2D and 3D game engine |
| kmod-blacklist-ubuntu | Linux kernel module blacklists from Ubuntu |
| mattermost | Open source platform for secure collaboration across the entire software development lifecycle |
| opengothic | Open source re-implementation of Gothic 2: Night of the Raven |
| openscreen | Free, open-source alternative to Screen Studio (sort of) |
| go-errorlint | Source code linter that can be used to find code that will cause problems with Go's error wrapping scheme |