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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
kyoto-tycoonDatabase server with interface to Kyoto CabinetkyteaToolkit for analyzing text, especially Japanese and Chineseladspa-sdkLinux Audio Developer's Simple PluginlagerC++ lib for value-oriented design using unidirectional data-flow architecturelargetifftoolsCollection of software that can help managing (very) large TIFF fileslbfgsppHeader-only C++ library for L-BFGS and L-BFGS-B algorithmslcdprocDisplay real-time system information on a LCDlciInterpreter for the lambda calculusleetsolvCLI tool for DSA problem revision with spaced repetitionlgeneralTurn-based strategy engine heavily inspired by Panzer GenerallibabigailABI Generic Analysis and Instrumentation Librarylibb64Base64 encoding/decoding librarylibbinioBinary I/O stream class librarylibcaptionFree open-source CEA608 / CEA708 closed-caption encoder/decoderlibcdsC++ library of Concurrent Data StructureslibcextC utility library for Common Pipeline Library (CPL)libchaosAdvanced library for randomization, hashing and statistical analysislibcmphC minimal perfect hashing librarylibdazzleGNOME companion library to GObject and Gtk+libdbiDatabase-independent abstraction layer in C, similar to DBI/DBD in PerllibdillStructured concurrency in ClibdmxX.Org: X Window System DMX (Distributed Multihead X) extension librarylibdshconfigDistributed shell librarylibdvbcsaFree implementation of the DVB Common Scrambling AlgorithmlibecpintLibrary for the efficient evaluation of integrals over effective core potentialslibfastjsonFast json library for ClibfixbufImplements the IPFIX Protocol as a C librarylibforensic1394Live memory forensics over IEEE 1394 ("FireWire") interfacelibformfactorC++ library for the efficient computation of scattering form factorslibfsX.Org: X Font Service client librarylibgfshareLibrary for sharing secretslibgntNCurses toolkit for creating text-mode graphical user interfaceslibgoaSingle sign-on framework for GNOME - client librarylibgosu2D game development librarylibgrape-liteC++ library for parallel graph processinglibheinzC++ base library of Heinz Maier-Leibnitz ZentrumlibhubbubHTML parser librarylibiglooGeneric C framework used and developed by the Icecast projectlibilbcPackaged version of iLBC codec from the WebRTC projectlibjcatLibrary for reading Jcat fileslibkeccakKeccak-family hashing libraryliblxiSimple C API for communicating with LXI compatible instrumentslibmaaLow-level data structures including hash tables, sets, listslibmapperDistributed system for media control mappinglibmnlMinimalistic user-space library oriented to Netlink developerslibmowgliCore framework for Atheme applicationslibmpdHigher level access to MPD functionslibmrssC library for RSS files or streamslibnftnlNetfilter library providing interface to the nf_tables subsystemlibnpupnpC++ base UPnP library, derived from Portable UPnP, a.k.a libupnplibnsbmpDecoding library for BMP and ICO image file formatslibnsgifDecoding library for the GIF image file formatlibntlmImplements Microsoft's NTLM authenticationlibnxmlC library for parsing, writing, and creating XML fileslibobjc2Objective-C runtime library intended for use with ClanglibowfatReimplements libdjblibpanelDock/panel library for GTK 4libpathrsC-friendly API to make path resolution safer on LinuxlibpinyinLibrary to deal with pinyinlibpointingProvides direct access to HID pointing devices