Open-source-mac-os-apps NPM

Awesome macOS open source applications

List of awesome open source applications for macOS. This list contains a lot of native, and cross-platform apps. The main goal of this repository is to find free open source apps and start contributing. Feel free to contribute to the list, any suggestions are welcome!

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Support

Hey friend! Help me out for a couple of :beers:!

Languages

You can see in which language an app is written. Currently there are following languages:

- C language.
- C++ language.
- C# language.
- Clojure language.
- CoffeeScript language.
- CSS language.
- Go language.
- Elm language.
- Haskell language.
- JavaScript language.
- Lua language.
- Objective-C language.
- Python language.
- Ruby language.
- Rust language.
- Shell language.
- Swift language.
- TypeScript language.

Applications

Audio

AUHost - Application which hosts AudioUnits v3 using AVFoundation API.
Audacity - Free, open source, cross-platform audio software
Aural Player - Aural Player is a audio player application for the macOS platform. Inspired by the classic Winamp player for Windows, it is designed to be to-the-point and easy to use.
AutoMute - Automatically mute the sound when headphones disconnect / Mac awake from sleep.
Background Music - Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.
BlackHole - BlackHole is a modern macOS virtual audio driver that allows applications to pass audio to other applications with zero additional latency.
CAM - macOS camera recording using ffmpeg
Clementine - Clementine is a modern music player and library organizer for Windows, Linux and macOS.
Cog - Cog is an open source audio player for macOS. The basic layout is a single-paned playlist interface with two retractable drawers, one for navigating the user's music folders and another for viewing audio file properties, like bitrate.
Karaoke Forever - Host awesome karaoke parties where everyone can queue songs from their phone's browser. Plays MP3+G and MP4 with WebGL visualizations.
LocalRadio - LocalRadio is software for listening to "Software-Defined Radio" on your Mac and mobile devices.
LosslessCut - The swiss army knife of lossless video/audio editing without re-encoding.
Lyricism - macOS app to show you lyric what currently iTunes or Spotify is playing.
LyricsX - Lyrics for iTunes, Spotify and Vox.
MPV - Lightweight, highly configurable media player.
MonitorControl - Control your external monitor brightness, contrast or volume directly from a menulet or with keyboard native keys.
Mous Player - Simple yet powerful audio player for BSD/Linux/macOS.
NoiseBuddy - Control the listening mode on your AirPods Pro in the Touch Bar or Menu Bar.
PlayStatus - PlayStatus is a macOS app that allows the control of Spotify and iTunes music playback from the menu bar.
Plug - Discover and listen to music from Hype Machine.
Scope - Audio Oscilloscope
ShazamScrobbler - Scrobble vinyl, radios, movies to Last.fm.
Sonora - Minimal, beautifully designed music player for macOS.
SpotMenu - Spotify and iTunes in your menu bar.
SpotSpot - Spotify mini-player for macOS.
Spotify4BigSur - Spotify widget for Notification Center.
Suohai - Audio input/output source lock for macOS.
Tickeys - Instant audio feedback for typing. macOS version.
Tuner - Musical Instrument Tuner
[Un]MuteMic - macOS app to mute & unmute the input volume of your microphone. Perfect for podcasters.
eqMac2 - System-Wide Equalizer for the Mac.
fre:ac - The fre:ac audio converter project.
iTunes-Volume-Control - This app allows you to control the iTunes volume using volume up and volume down hotkeys.
jmc - jmc is new macOS media organizer.
shairport-sync - macOS/Linux/FreeBSD/OpenBSD Airplay audio receiver.
waveSDR - macOS native desktop Software Defined Radio application using the RTL-SDR USB device.

Backup

BorgBase/Vorta - Simple and Secure Offsite Backups
Mackup - Keep your application settings in sync (macOS/Linux).
Syncalicious - Keeping multiple macOS preferences in sync can be painful, but it shouldn't be.
UrBackup - UrBackup is Client/Server network backup for Windows, macOS and Linux.
shallow-backup - Easily create lightweight documentation of installed applications, dotfiles, and more.

Browser

Beaker Browser - Beaker is an experimental peer-to-peer Web browser.
Brave Browser - Brave browser for Desktop and Laptop computers running Windows, macOS, and Linux.
Chromium - Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all users to experience the web.
Finicky - Always opens the right browser.
Firefox - Fast, privacy aware browser from a non-profit. Runs on Windows, macOS and Linux.
Helium - Floating browser window for macOS.
Min Browser - A fast and efficient minimal web browser.
Pennywise - Pennywise opens any website or media in a small floating window that remains on top of all other applications. It's a great alternative to Helium.
Plash - Make any website your desktop wallpaper.
Privacy Redirect for Safari - Redirect Twitter, YouTube, Reddit, Google Maps, Google Search, and Google Translate to privacy friendly alternatives.
browserosaurus - macOS tool that prompts you to choose a browser when opening a link.
otter-browser - Otter Browser aims to recreate the best aspects of the classic Opera (12.x) UI using Qt5.
seb-mac - Safe Exam Browser for macOS and iOS.

Chat

Adium - Instant messaging application that can connect to XMPP (Jabber), IRC and more.
Beagle IM - Powerful XMPP client with support for file transfer, VoIP and end-to-end encryption.
ChitChat - Native Mac app wrapper for WhatsApp Web.
Electronic WeChat - Better WeChat on macOS and Linux.
Element - Element is a collaboration app (currently Electron) for the Matrix protocol.
Franz - Franz is messaging application for services like WhatsApp, Slack, Messenger and many more.
Google Allo for Desktop - Native macOS & Windows desktop app for Google Allo.
GroupMe - Unofficial GroupMe App.
MessagesHistoryBrowser - macOS application to comfortably browse and search through your Messages.app history.
RocketChat - Free open source chat system for teams. An alternative to Slack that can also be self hosted.
Seaglass - A truly native Matrix client for macOS.
Signal Desktop - Electron app that links with your Signal Android or Signal iOS app.
Telegram - Source code of Telegram for macOS on Swift.
Telegram Desktop - Telegram Desktop messaging app.
Textual - Textual is an IRC client for macOS.
Thunderbird - Backed by Mozilla, Thunderbird is an extensible email, newsfeed, chat, and calendaring client.
Torchat-Mac - TorChat for Mac is a macOS native and unofficial port of torchat.
WhatsAppBar - Send WhatsApp message from menu bar.
Wire Desktop - Standalone Electron app for the chatapp Wire.

Cryptocurrency

Balance Open - App for all the world’s currencies.
CoinBar - macOS menu bar application for tracking crypto coin prices.
Copay - A secure bitcoin wallet platform for both desktop and mobile devices.
Crypto Bar - macOS menu bar application built with Electron.
Float coin - Native menu bar app with floating window and support for many Exchanges.

Database

Bdash - Simple SQL Client for lightweight data analysis.
Beekeeper Studio - SQL editor and manager with support for SQLite, MySQL, MariaDB, Postgres, CockroachDB, SQL Server, and Amazon Redshift.
DB Browser for SQLite - SQLite database management GUI.
DBeaver - Universal database tool and SQL client.
DbGate - Database manager for MySQL, PostgreSQL, SQL Server, MongoDB, SQLite and others. Runs under Windows, Linux, Mac or as web application.
Medis - 💻 Medis is a beautiful, easy-to-use Mac database management application for Redis.
MongoHub - Add another lightweight Mac Native MongoDB client.
Postbird - PostgreSQL GUI client for macOS.
Postgres.app - The easiest way to get started with PostgreSQL on the Mac.
Redis Desktop Manager - Cross-platform open source database management tool for Redis ®
Redis.app - The easiest way to get started with Redis on the Mac.
Robo 3T - Robo 3T (formerly Robomongo) is the free lightweight GUI for MongoDB enthusiasts.
Sequel Ace - Sequel Ace is a fast, easy-to-use Mac database management application for working with MySQL & MariaDB databases.
Sequel Pro - MySQL/MariaDB database management for macOS.
mongoDB.app - The easiest way to get started with mongoDB on the Mac.
redis-pro - Redis management with SwiftUI.
reventlou - Personal database as an information management system.
sqlectron - A simple and lightweight SQL client desktop/terminal with cross database and platform support.

Development

Apache Netbeans - Apache NetBeans is an IDE, Tooling Platform and Application Framework suitable for development in Java, JavaScript, PHP, HTML5, CSS, and more.
Brackets - Modern open-source code editor for HTML, CSS and JavaScript that's built in HTML, CSS and JavaScript.
ColorSet - ColorSet is a macOS utility and framework allowing developers to manage custom interface colors with ease.
GitAhead - A graphical Git client designed to help you understand and manage your source code history.
KiCad - A software suite for electronic design automation.
Layout Designer for UICollectionView - A simple but powerful tool that helps you make complex layouts for UICollectionView.
Pasteboard Viewer - Inspect the system pasteboards.
Stringz - A lightweight and powerful editor for localizing iOS, macOS, tvOS, and watchOS applications.
utmapp - Virtualization for other operating systems.

Git

Cashew - Cashew macOS Github Issue Tracker.
GPM - macOS application for easily operating GitHub Projects.
Git Interactive Rebase Tool - Full feature terminal based sequence editor for interactive rebase.
GitAhead - A graphical Git client designed to help you understand and manage your source code history.
GitBlamePR - Mac app that shows pull request last modified each line of a file
GitHub Desktop - Simple collaboration from your desktop.
GitSync - Minimalistic Git client for Mac.
GitUp - The Git interface you've been missing all your life has finally arrived.
GitX - Graphical client for the git version control system.
Gitee - Gitee, macOS status bar application for Github.
Github contributions - GitHub contributions app, for iOS, WatchOS, and macOS.
GithubListener - Simple app that will notify about new commits to watched repositories.
GithubNotify - Simple macOS app to alert you when you have unread GitHub notifications.
Gitify - Your GitHub notifications on your menu bar.
Streaker - GitHub contribution streak tracking menubar app.
TeamStatus-for-GitHub - macOS status bar application for tracking code review process within the team.
Trailer - Managing Pull Requests and Issues For GitHub & GitHub Enterprise.
Xit - Xit is a graphical tool for working with git repositories.
osagitfilter - Filter to put OSA languages (AppleScript, JavaScript) into git, as if they where plain text-files.

JSON Parsing

JSON Mapper - Simple macOS app to generate Swift Object Mapper classes from JSON.
JSON to Model class - Template based highly customizable macOS app to generate classes from JSON string, supports many languages.
JSONExport - Desktop application for macOS which enables you to export JSON objects as model classes with their associated constructors, utility methods, setters and getters in your favorite language.
j2s - macOS app to convert JSON objects into Swift structs (currently targets Swift 4 and Codable).

Other Development

Boop - A scriptable scratchpad for developers.
ChefInspector - Node and Attribute viewer for Chef
MQTTX - An elegant Cross-platform MQTT 5.0 desktop client.
macho-browser - Browser for macOS Mach-O binaries.
vegvisir - Browser based GUI for LLDB Debugger.

Web Development

CoreOS VM - CoreOS VM is macOS status bar app which allows in an easy way to control CoreOS VM on your Mac.
Corectl App for macOS - Corectl App is a macOS Status bar App which works like a wrapper around the corectl command line tool corectld to control the server runtime process.
HTTP Toolkit - HTTP Toolkit is a cross-platform tool to intercept, debug & mock HTTP.
Insomnia - Insomnia is a cross-platform REST client, built on top of Electron.
KubeMonitor - KubeMonitor is a macOS app that displays information about your active Kubernetes cluster in your menu bar.
KubeSwitch - KubeSwitch lists the available kubernetes cluster contexts on the mac, in Mac's Menu bar.
Lantern - Dedicated Mac app for website auditing and crawling.
LocalSites - Simple Menu Bar (Status Bar) App for macOS listing local Bonjour websites (as Safari 11 no longer has Bonjour Bookmarks).
SimpleLocalize CLI - Open source tool for managing i18n keys in software projects.
aws-s3-uploader - Simple macOS app for uploading files to Amazon Web Services.
iTunesConnect - macOS app to let you access iTunesConnect.
ndm - Npm desktop GUI.
nodeScratchpad - Evaluate Nodejs/JS code snippets from Menubar.
stts - macOS app for monitoring the status of cloud services.

iOS / macOS

AVXCAssets Generator - Takes path for your assets images and creates appiconset and imageset for you in just one click.
AppBox - Tool for iOS developers to build and deploy Development, Ad-Hoc and In-house (Enterprise) applications directly to the devices from your Dropbox account.
AppIcons - Tool for generating icons in all sizes as required by macOS and iOS apps.
AppStoreReviewTimes - Gives you indication about the average iOS / macOS app stores review times.
AppleTrace - Trace tool for iOS/macOS.
Asset Catalog Tinkerer - App that lets you open .car files and browse/extract their images.
Assets - Assets is a macOS app that manages assets for your development projects (Xcode, web, etc).
Attabench - Attabench is a microbenchmarking app for macOS, designed to measure and visualize the performance of Swift code.
Board For GitHub - Small application to monitor your GitHub project web page in a native macOS app :octocat:!
Brisk - macOS app for submitting radars.
Cleaner for Xcode - Cleaner for Xcode.app built with react-native-macOS.
CocoaRestClient - Native Apple macOS app for testing HTTP/REST endpoints.
Corona Tracker - Coronavirus tracker app for iOS & macOS with maps & charts.
FilterShop - macOS App to explore CoreImage Filters.
IconGenerator - macOS app to generate app icons.
Iconizer - Create Xcode image catalogs (xcassets) on the fly.
Iconology - Edit icons and then export to Xcode, icns, ico, favicon, macOS iconset, or a custom collection.
Icons.app - App for macOS which is designed to generate consistent sized icons of an existing application in various states, jiggling (shaking) etc.
InjectionIII - overdue Swift rewrite of Injection.
Knuff - The debug application for Apple Push Notification Service (APNs).
LayerX - Intuitive app to display transparent images on screen.
Localizable.strings - Mac app to localize your iOS and macOS projects.
Localization Editor - Simple macOS editor app to help you manage iOS app localizations by allowing you to edit all the translations side by side.
Localizations - Localizations is an macOS app that manages your Xcode project localization files (.strings).
Menubar Colors - macOS app for convenient access to the system color panel.
Notarize - Notarization status monitoring tool for macOS, supporting multiple developer accounts
PodsUpdater - macOS app which helps you manage dependency releases in your Podfile.
ProfilesManager - Apple iOS/macOS Provisioning Profiles management,.provisionprofile, .mobileprovision files manager tool for mac.
PushNotifications - macOS app to test push notifications on iOS and Android.
ResignTool - This is an app for macOS that can (re)sign apps and bundle them into ipa files that are ready to be installed on an iOS device.
Resizr - MacOS application for creating AppIcon for iOS and Android apps.
SmartPush - iOS Push Notification Debug App.
Stringz - A lightweight and powerful editor for localizing iOS, macOS, tvOS, and watchOS applications.
TransporterPad - iOS/Android app deployment tool for macOS.
WWDC - Unofficial WWDC app for macOS.
WWDC.srt - Powerful app for downloading subtitle for each WWDC session video since 2013 in (srt) format.
Xcodes.app - The easiest way to install and switch between multiple versions of Xcode.
calabash-launcher - iOS Calabash Launcher is a macOS app that helps you run and manage Calabash tests on your Mac.
iOS Images Extractor - iOS Images Extractor is a Mac app to normalize, decode, and extract images from iOS apps.
iSimulator - iSimulator is a GUI utility to control the Simulator and manage the app installed on the simulator.
xib2Storyboard - Tool to convert Xcode .xib to .storyboard files.

Downloader

App Downloader - Easily search and download macOS apps from the huge homebrew cask app catalog.
Extream Download Manager - a powerful tool to increase download speeds up to 500%
Get It - Native macOS video/audio downloader. Think of it as a youtube downloader that works on many sites.
Motrix - A full-featured download manager.
Pillager - macOS Video Downloader written in Swift and Objective-C.
YouTube Downloader for macOS - Simple menu bar app to download YouTube movies on your Mac. I wrote this as a test project to learn more about app development on macOS.
udemy-downloader-gui - desktop application for downloading Udemy Courses.

Editors

AuroraEditor - Lightweight Code Editor (IDE) for macOS.
Chime - An editor for macOS
CodeEdit - CodeEdit App for macOS – Elevate your code editing experience. Open source, free forever.
Geany - Geany is a powerful, stable and lightweight programmer's text editor that provides tons of useful features without bogging down your workflow.

CSV

TableTool - simple CSV editor for the macOS.

JSON

JSON Editor - Dead simple JSON editor using josdejong/jsoneditor
JSON-Splora - GUI for editing, visualizing, and manipulating JSON data.

Markdown

Gingko - Tree-structured markdown editor for macOS, Windows, and Linux.
MacDown - Markdown editor for macOS.
Mark Text - Realtime preview markdown editor for macOS Windows and Linux.
MarkEdit - MarkEdit is a free and open-source Markdown editor, for macOS. It's just like TextEdit on Mac but dedicated to Markdown.
Notenik - Note-taking app with many organizational options.
Obsidian plugins & themes - Community plugins list, theme list, and releases of Obsidian.
Pine - A modern MacOS markdown editor.
QOwnNotes - Plain-text file notepad and todo-list manager with markdown support and ownCloud / Nextcloud integration.
Zettlr - A Markdown Editor for the 21st century.
linked - 🧾 Your daily journal app, diary or anything else to unclutter your mind. Let linked help you get focused by writing down what is in your mind on a daily basis.

TeX

Qilin Editor - Text editor for exact sciences with built-in KaTeX/AsciiMath support.

Text

AuroraEditor - Lightweight Code Editor (IDE) for macOS.
CotEditor - Lightweight Plain-Text Editor for macOS.
Geany - Geany is a powerful, stable and lightweight programmer's text editor that provides tons of useful features without bogging down your workflow.
MacVim - Text editor for macOS.
Noto - Plain text editor for macOS with customizable themes.
SubEthaEdit - General purpose plain text editor for macOS. Widely known for its live collaboration feature.
TextMate - TextMate is a graphical text editor for macOS.
Tincta - One-window text editor with syntax highlighting.
VimR - Refined Neovim experience for macOS.
micro - A terminal-based text editor that aims to be easy to use and intuitive, while also taking advantage of the capabilities of modern terminals.
reventlou - Personal database as an information management system.

Extensions

AdGuard for Safari - The most advanced ad blocking extension for Safari
BetterPiP - Use native picture-in-picture with browsers such as Google Chrome for HTML5 videos.
Is It Private? - A Safari Extension providing a toolbar icon that changes its visual appearance if Private Browsing is enabled.
Middleclick - Emulate a scroll wheel click with three finger Click or Tap on MacBook trackpad and Magic Mouse
PageExtender - Extend pages with your own CSS and JS files.
PiPTool - Add the Picture-in-Picture Functionality to YouTube, Netflix, Plex and other video broadcasting services in macOS.
PiPifier - PiPifier is a native macOS 10.12 Safari extension that lets you use every HTML5 video in Picture in Picture mode.
Privacy Redirect for Safari - Redirect Twitter, YouTube, Reddit, Google Maps, Google Search, and Google Translate to privacy friendly alternatives.
Sessions - Safari extension to save your working sessions
Swimat - Swimat is an Xcode plug-in to format your Swift code.
ThenGenerator - Xcode Source Editor Extension for 'Then'
Ultra TabSaver - Ultra TabSaver is an open-source Tab Manager for Safari
nef - This Xcode extension enables you to make a code selection and export it to a snippets. Available on Mac AppStore.

Finder

Clipy - Clipy is a Clipboard extension app for macOS.
CopyQ - Clipboard manager with advanced features
Duplicate Finder - It's a useful tool that would help you to find all duplicate files which have the same names in the specific folder.
FiScript - Execute custom scripts from the MacOS context menu (CTRL+click) in Finder.
Finder Go - macOS app and Finder Sync Extension to open Terminal, iTerm, Hyper from Finder.
OpenInCode - Finder toolbar app to open current folder in Visual Studio Code.
OpenInTerminal - Finder Toolbar app for macOS to open the current directory in Terminal, iTerm, Hyper or Alacritty.
Quick Look plugins - List of useful Quick Look plugins for developers.
cd to... - Finder Toolbar app to open the current directory in the Terminal
dupeGuru - dupeGuru is a tool to find duplicate files on your computer. It can scan using file names and file contents.
zoxide - zoxide is a smarter cd command for your terminal.

Games

0 A.D. - Real-time strategy game of ancient warfare
Battle for Wesnoth - Turn-based tactical strategy game, featuring both single-player and online multiplayer combat.
Boxer - The DOS game emulator that’s fit for your Mac.
Chess - The chess app that comes with macOS.
Dolphin - Powerful emulator for Nintendo GameCube and Wii games.
Dynamic Dark Mode - Dynamic Dark Mode is the app you are looking for to power up Dark Mode on macOS Mojave and beyond.
OpenEmu - Retro video game emulation for macOS.
OpenRCT2 - Re-implementation of RollerCoaster Tycoon 2.
Screentendo - Turn your screen into a playable level of Mario.
Stockfish - Beautiful, powerful chess application.
Widelands - Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

Graphics

Aseprite - Animated sprite editor & pixel art tool (Windows, macOS, Linux).
Blender - Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline: modeling, rigging, animation, simulation, rendering, compositing, motion tracking, and video editing.
CaptuocrToy - Tool to capture screenshot and recognize text by online ocr apis.
ColorSet - ColorSet is a macOS utility and framework allowing developers to manage custom interface colors with ease.
FreeCAD - FreeCAD is an open-source 3D parametric modeler
Gaphor - Gaphor is the simple modeling tool for UML and SysML.
GifCapture - Gif capture app for macOS.
Gifcurry - Video to GIF maker with a graphical interface capable of cropping, adding text, seeking, and trimming.
Gifski - Convert videos to high-quality GIFs.
InfiniteCanvas - Proof of concept Mac drawing application.
Krita - Krita is a cross-platform application for creating digital art files from scratch like illustrations, concept art, matte painting, textures, comics and animations.
Material Colors Native - Choose your Material colours and copy the hex code.
Pencil2D Animation - Pencil2D is an animation/drawing software for macOS, Windows, and Linux. It lets you create traditional hand-drawn animation (cartoon) using both bitmap and vector graphics.
ScreenToLayers for macOS - ScreenToLayers is a macOS application to easily capture your screen as a layered PSD file.
macSVG - macOS application for designing HTML5 SVG (Scalable Vector Graphics) art and animation with a WebKit web view.

IDE

Apache Netbeans - Apache NetBeans is an IDE, Tooling Platform and Application Framework suitable for development in Java, JavaScript, PHP, HTML5, CSS, and more.
Atom - The hackable text editor.
AuroraEditor - Lightweight Code Editor (IDE) for macOS.
Brackets - Modern open-source code editor for HTML, CSS and JavaScript that's built in HTML, CSS and JavaScript.
CodeEdit - CodeEdit App for macOS – Elevate your code editing experience. Open source, free forever.
Geany - Geany is a powerful, stable and lightweight programmer's text editor that provides tons of useful features without bogging down your workflow.
IntelliJ IDEA Community Edition - IntelliJ IDEA is an integrated development environment written in Java for developing computer software
LiveCode - Cross-platform development IDE.
Oni - Oni is a modern take on modal editing code editor focused on developer productivity.
Vim - ubiquitous text editor
Visual Studio Code - Code editor developed by Microsoft.
ZeroBraneStudio - ZeroBrane Studio is a lightweight cross-platform Lua IDE with code completion, syntax highlighting, remote debugger, code analyzer, live coding, and debugging support for various Lua engines.

Images

APNGb - macOS app which assembles and disassembles animated png files.
Crunch - Insane(ly slow but wicked good) PNG image optimization.
ExifCleaner - Remove image metadata with drag and drop, multi-core batch processing, and dark mode.
Flameshot - Powerful yet simple to use screenshot software.
Freehand - macOS Status Bar App for quick sketch.
Gimp - Gimp is GNU Image Manipulation Program.
Iconology - Edit icons and then export to Xcode, icns, ico, favicon, macOS iconset, or a custom collection.
ImageAlpha - Mac GUI for pngquant, pngnq and posterizer.
Imagine - Imagine is a desktop app for compression of PNG and JPEG, with a modern and friendly UI.
InVesalius - 3D medical imaging reconstruction software
Inkscape - Inkscape is a Free and open source vector graphics editor.
Katana - Katana is a simple screenshot utility for macOS that lives in your menubar.
Krita - Krita is a cross-platform application for creating digital art files from scratch like illustrations, concept art, matte painting, textures, comics and animations.
PhotoMiner - macOS app for finding and lost forgotten photos on your disks.
Screenbar - macOS menubar app for automating screenshots.
Seashore - Easy to use macOS image editing application for the rest of us.
WebPonize - WebPonize is a macOS App for converting PNG, JPEG, animated (or not) GIF images into WebP.

Keyboard

AnnePro-mac - macOS application for controlling AnnePro keyboard over bluetooth.
Fluor - Handy tool for macOS allowing you to switch Fn keys' mode based on active application.
GokuRakuJoudo - Karabiner-Elements configuration manager, rescue to bloated karabiner.json
Karabiner - Karabiner (KeyRemap4MacBook) is a powerful utility for keyboard customization.
Karabiner-Elements - Karabiner-Elements is a powerful utility for keyboard customization on macOS Sierra (10.12) or later.
Kawa - Better input source switcher for macOS.
Keycastr - Keystroke visualizer.
Thor - Switch the right application ASAP.
Unshaky - A software attempt to address the "double key press" issue on Apple's butterfly keyboard

Mail

Correo - Menubar/taskbar Gmail App for Windows and macOS.
ElectronMail - Unofficial desktop app for ProtonMail and Tutanota end-to-end encrypted email providers.
Mailspring - 💌 A beautiful, fast and maintained fork of @nylas Mail by one of the original authors
Rambox - Cross Platform messaging and emailing app that combines common web applications into one.
SimpleLogin - Email Alias solution: protect your real email address.
Thunderbird - Backed by Mozilla, Thunderbird is an extensible email, newsfeed, chat, and calendaring client.
dejalu - Fast and Simple Email Client.

Medical

InVesalius - 3D medical imaging reconstruction software

Menubar

Airpass - Status bar Mac application to overcome time constrained WiFi networks.
Akku - The missing macOS bluetooth headset battery indicator app.
AnyBar - macOS menubar status indicator.
BarTranslate - A handy menu bar translator app that supports DeepL and Google Translate.
CloudyTabs - Simple menu bar macOS application for displaying lists of your iCloud Tabs and Reading List.
DatWeatherDoe - Simple menu bar weather app for macOS written in Swift.
DisplayMenu - Simple (bare-bones) macOS menubar extra to apply display presets.
Dozer - Hide MacOS menubar items.
Grayscale Mode - Manage grayscale mode from menu bar.
Hidden Bar - An ultra-light MacOS utility that helps hide menu bar icons
Itsycal - A tiny calendar for that lives in the Mac menu bar.
KubeContext - import, manage and switch between your Kubernetes contexts on Mac.
LinkLiar - Keep your MAC address random for privacy (intuitive GUI for ifconfig)
Market Bar - Tiny stocks watcher for the menu bar.
MeetingBar - Menu bar app for your calendar meetings
MenuMeters - CPU, memory, disk, and network monitoring tools for macOS.
Menubar Brightness - macOS app to change the screen brightness on the menubar.
MiniSim - MacOS menu bar app for launching iOS  and Android 🤖 emulators.
Monitor Bar - Monitor Bar app supports three modes, compact, normal, extra. It monitors battery, Disk, Memory, CPU, Network bandwidth, Wi-Fi.
Night Shift Control - Night Shift Control is a simple macOS menubar app for controlling Night Shift. It's aim is to bring features from f.lux which are missing from Night Shift such as disabling Night Shift for certain apps.
Nocturnal - Menu bar app featuring darker than dark dimming, Night Shift fine tuning, and the ability to turn off TouchBar on MacBook Pro.
NoiseBuddy - Control the listening mode on your AirPods Pro in the Touch Bar or Menu Bar.
PSIBar - Quickly hacked up PSI macOS status bar app.
Pareto Security - A MenuBar app to automatically audit your Mac for basic security hygiene.
Pi Stats - macOS app to visualize Pi-hole information.
Pika - Is an easy to use, open-source, native colour picker for macOS.
PlayStatus - PlayStatus is a macOS app that allows the control of Spotify and iTunes music playback from the menu bar.
Quickeys - A mac menu bar app that provides note taking functionality though a quick dropdown menu.
SensibleSideButtons - Small menu bar utility that lets you use your third-party mouse's side buttons for navigation across a variety of apps.
Shifty - macOS menu bar app that gives you more control over Night Shift.
SlimHUD - Cyanocitta - Replacement for MacOS' volume, brightness and keyboard backlight HUDs.
Stats - macOS system monitor in your menu bar
SwiftBar - Powerful macOS menu bar customization tool.
baRSS – Menu Bar RSS Reader - RSS & Atom feed reader that lives in the system status bar.
eul - macOS status monitoring app written in SwiftUI.
gSwitch - macOS status bar app that allows control over the gpu on dual gpu macbooks.
iGlance - macOS System Monitor (cpu, memory, network, fan and battery) for the Status Bar.
xbar - Put the output from any script or program into your macOS Menu Bar.

Music

Carol - A minimal and beautiful lyrics app that stays in the menu bar of macOS.
ChordDetector - Tiny menu bar app that listens iTunes and Spotify to detect chords of songs!
DeezPlayer - Deezer Desktop app for Windows, Linux and macOS.
Karaoke Forever - Host awesome karaoke parties where everyone can queue songs from their phone's browser. Plays MP3+G and MP4 with WebGL visualizations.
Lilypond UI - Create beautiful musical scores with LilyPond.
MPV - Lightweight, highly configurable media player.
NoiseBuddy - Control the listening mode on your AirPods Pro in the Touch Bar or Menu Bar.
PlayStatus - PlayStatus is a macOS app that allows the control of Spotify and iTunes music playback from the menu bar.
Plug - Discover and listen to music from Hype Machine.
SoundCleod - SoundCloud for macOS and Windows.
Spotify-Cli-Mac - Control Spotify without leaving your terminal. :notes:
YouTube-Music - macOS wrapper for music.youtube.com.
iTunes Graphs - macOS app to visualise your iTunes library as graphs.
lyricsify - Simple Spotify lyrics viewer menu bar app for macOS in Swift.
spicetify-cli - Command-line tool to customize the official Spotify client. Supports Windows, MacOS and Linux.

News

Diurna - Basic/Classic Hacker News app, used as a Cocoa & Swift learning platform.
NetNewsWire - Feed reader for macOS.
Vienna - Vienna is a RSS/Atom newsreader for macOS.
Winds - A Beautiful Open Source RSS & Podcast App Powered by Getstream.io
baRSS – Menu Bar RSS Reader - RSS & Atom feed reader that lives in the system status bar.
hacker-menu - Hacker News Delivered to Desktop.

Notes

Boostnote - Note-taking application made for programmers just like you.
Dnote - A simple command line notebook with multi-device sync and web interface.
FSNotes - Notes manager for macOS/iOS: modern notational velocity (nvALT) on steroids.
FromScratch - Little app that you can use as a quick note taking or todo app.
Jupyter Notebook Viewer - Notebook viewer for macOS.
NoteTaker - Simple note taking app for macOS and iOS which uses Realm and CloudKit for syncing.
Notenik - Note-taking app with many organizational options.
Notes - Notes is a macOS application built to create notes, using text amongst other formats: images, videos, contacts, and etc.
QOwnNotes - Plain-text file notepad and todo-list manager with markdown support and ownCloud / Nextcloud integration.
Simplenote - Simplest way to keep notes.
Standard Notes - Safe place for your notes, thoughts, and life's work.
Tusk - Unofficial, third-party, community driven Evernote app with a handful of useful features.
joplin - Note taking and to-do application with synchronization capabilities for Windows, macOS, Linux, Android and iOS.
linked - 🧾 Your daily journal app, diary or anything else to unclutter your mind. Let linked help you get focused by writing down what is in your mind on a daily basis.
notable - Simple note taking application.
tmpNote - Very simple macOS app to make temporary notes.

Other

Betaflight Configurator - Cross platform configuration tool for the Betaflight firmware.
Cakebrew - Manage your Homebrew formulas with style using Cakebrew.
ChipMunk - Log analysis tool.
DevDocs for macOS - An unofficial DevDocs API documentation viewer.
Gas Mask - Hosts file manager for macOS.
Hosts - Cocoa GUI for /etc/hosts.
ImageOptim - GUI image optimizer for Mac.
Keyframes Player - Simple macOS app to preview animations created with Facebook's keyframes framework.
Lepton - Democratizing Code Snippets Management (macOS/Win/Linux).
Letters - Teach your kids the alphabet and how to type.
Platypus - Mac developer tool that creates application bundles from command line scripts.
QorumLogs - Swift Logging Utility for Xcode & Google Docs.
React Native Debugger - Desktop app for inspecting your React Native projects. macOS, Linux, and Windows.
Reactotron - Desktop app for inspecting your React JS and React Native projects. macOS, Linux, and Windows.
RktMachine - Menu bar macOS app for running rkt in a macOS hypervisor CoreOS VM.
Ruby.app - macOS app that contains a full Ruby installation (for use with Ruby/Gosu).
Shuttle - Simple SSH shortcut menu for macOS.
SwiftyBeaver - Convenient logging during development & release in Swift.
Unused - Mac app for checking Xcode projects for unused resources.
Vagrant Manager - Manage your vagrant machines in one place with Vagrant Manager for macOS.
macGist - Simple app to send pasteboard items to GitHub's Gist.
syncthing-macosx - Frugal nativemacOS macOS Syncthing applicatio

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Awesome macOS open source applications

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