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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
harakaFast, highly extensible, and event driven SMTP serverhishtoryYour shell history: synced, queryable, and in contexthyDialect of Lisp that's embedded in PythonimapfilterIMAP message processor/filteritppLibrary of math, signal, and communication classes and functionsivtoolsX11 vector graphic serversJBrowseGenome browserjedPowerful editor for programmersjimtclSmall footprint implementation of TclJitouchMulti-touch gestures editorjsonppCommand-line JSON pretty-printerkmodLinux kernel module handlingkstartModified version of kinit that can use keytabs to authenticatektoblzcheckLibrary for German bankskyma-cliKyma command-line interfaceLANDropDrop any files to any devices on your LANleela-zeroNeural Network Go engine with no human-provided knowledgelibbdplusImplements the BD+ System SpecificationslibcutlC++ utility librarylibfreefareAPI for MIFARE card manipulationslibgusbGObject wrappers for libusb1libiscsiClient library and utilities for iscsiliblzfVery small, very fast data compression librarylibotrOff-The-Record (OTR) messaging librarylibsquishLibrary for compressing images with the DXT standardlibxlsxwriterC library for creating Excel XLSX fileslibyangYANG data modeling language librarylibyubikeyC library for manipulating Yubico one-time passwordsliterate-gitRender hierarchical git repositories into HTMLlolcrabMake your console colorful, with OpenSimplex noiseltc-toolsTools to deal with linear-timecode (LTC)ludusaviBackup tool for PC game savesmacintosh.jsVirtual Apple Macintosh with System 8, running in ElectronmadoFast Markdown linter written in Rustmailtrap-localLocal email sandbox with SMTP server, web UI, and JSON APImapcidrSubnet/CIDR operation utilitymartinBlazing fast tile server, tile generation, and mbtiles toolingmecab-unidicMorphological analyzer for MeCabMenu Bar SplitterUtility that adds dividers to your menu barMeruGmail desktop appmfcukMiFare Classic Universal toolKitminimodemGeneral-purpose software audio FSK modemmltonWhole-program, optimizing compiler for Standard MLmu-repoTool to work with multiple git repositoriesnftablesNetfilter tables userspace toolsnteractInteractive computing suitentlC++ number theory librarynuspellFast and safe spellchecking C++ libraryOntimeTime keeping for live eventsOpenHVPixel art science-fiction real-time strategy gameorientdbGraph databaseotf2Open Trace Format 2 file handling libraryotreeCommand-line tool to view objects (JSON/YAML/TOML) in TUI tree widgetp2p.kiwiCross-platform screen sharing toolpixieObservability tool for Kubernetes applicationspixiewpsOffline Wi-Fi Protected Setup brute-force utilitypqivPowerful image viewer with minimal UIprsSecure, fast & convenient password manager CLI with GPG & git syncrdbRedis RDB parserRivetOpen-source visual AI programming environment