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Open-source Mac apps
Applications and command-line tools with a public source repository, ranked by install count. Open source is not a quality guarantee, but it does mean the code can be audited and the app cannot be taken away from you.
Developer ToolsTerminal & ShellDevOps & CloudSecurity & PrivacyAI & Machine LearningData & DatabasesDesign & GraphicsVideo & AudioNetworkingProductivityCommunicationSystem & UtilitiesBrowsersCommand-Line ToolsUtilities
libffC++ library for Finite Fields and Elliptic CurveslibgxpsGObject based library for handling and rendering XPS documentslibiptcdataVirtual package provided by libiptcdata0libjaylinkProvide interoperability with JLINK hardwarelibkmlLibrary to parse, generate and operate on KMLlibmarpaMarpa parse engine C library -- STABLElibnetfilter_conntrackLibrary providing an API to the in-kernel connection tracking state tablelibnlNetlink Library SuitelibpipelineC library for manipulating pipelines of subprocesseslibspectreSmall library for rendering Postscript documentslibsvg-cairoSVG rendering library using Cairolibxaw3dX.Org: 3D Athena widget set based on the Xt librarylibxml++@3C++ wrapper for libxmllibxoAllows an application to generate text, XML, JSON, and HTML outputlibxresX.Org: X-Resource extension client libraryllnodeLLDB plugin for live/post-mortem debugging of node.js appslogtalkDeclarative object-oriented logic programming languageLow ProfileUtility to help inspect Apple Configuration Profile payloadsLumideAgent-native code editormandownMan-page inspired Markdown viewerMarkRightMarkdown editor with live previewmdkGNU MIX development kitmercuryLogic/functional programming languagemhonarcMail-to-HTML converterminicaSmall, simple certificate authorityminuit2Physics analysis tool for function minimizationmodmanModule deployment script geared towards Magento developmentmoeConsole text editor for ISO-8859 and ASCIImorseQSO generator and morse code trainermpdscribbleLast.fm reporting client for mpdmpg321Command-line MP3 playermrtgMulti router traffic graphermsdlDownloader for various streaming protocolsMunkiAdminTool to manage Munki repositoriesMyMoneroWallet for the Monero cryptocurrencymypaint-brushesBrushes used by MyPaint and other software using libmypaintncmpcCurses Music Player Daemon (MPD) clientnetcodeSecure client/server protocol for multiplayer games built on top of UDPnetrisNetworked variant of tetrisngtNeighborhood graph and tree for indexing high-dimensional datanip4Image processing spreadsheetNudgeApplication for enforcing OS updatesnutcrackerProxy for memcached and redisocl-icdOpenCL ICD loaderOpen Data EditorNo-code application to explore, validate and publish data in a simple wayopen-completionBash completion for openopencl-icd-loaderOpenCL Installable Client Driver (ICD) LoaderopencoarraysOpen-source coarray Fortran ABI, API, and compiler wrapperOpenThesaurus Deutsch Dictionary pluginGerman thesaurus for Apple DictionaryosqpOperator splitting QP solverossia scoreInteractive sequencer for intermedia artosu! (tachyon)Rhythm gameOtto MaticScience fiction 3D action/adventure game from Pangea SoftwareOuterbase Studio DesktopDatabase GUIOvertOpen app storepacaptPackage manager in the style of Arch's pacmanPacketProxyLocal proxy written in JavapaperjamProgram for transforming PDF filespapiloParallel Presolve for Integer and Linear OptimizationparParagraph reflow for email