Cocoa

Spotroblillack/spot

A reactive, cross-platform desktop GUI toolkit for Go with native widgets and React-like hooks.

GiteeNightonke/Gitee

A macOS status bar application that displays GitHub stars, followers, notifications, and trending repositories.

Aural Playerkartik-venugopal/aural-player

A macOS audio player inspired by Winamp with visualizations and playlist management.

Sonorasonoramac/Sonora

A minimal, beautifully designed music player for macOS with immersive album grids and instant search.

Saucersaucer/saucer

A modern, cross-platform C++ webview library for building lightweight desktop apps with web technologies.

NSGIFNSRare/NSGIF

An iOS library for converting videos to animated GIFs with automatic optimization and flexible customization.

KnockKnockobjective-see/KnockKnock

Enumerates persistently installed software on macOS, similar to AutoRuns for Windows.

Cross Windowalaingalvan/CrossWindow

A cross-platform C++ system abstraction library for managing windows and performing OS tasks across desktop, mobile, and web.

LoadingBonzaiThePenguin/Loading

A simple network activity monitor for macOS that shows a spinning progress wheel in the menu bar when apps use your network.

iso-8601-date-formatterboredzo/iso-8601-date-formatter

An NSFormatter subclass for Cocoa to parse and generate ISO 8601 date strings, supporting calendar, week, and ordinal formats.

CircularProgresssindresorhus/CircularProgress

A customizable circular progress indicator component for macOS apps built with Swift.

Seaglassneilalexander/seaglass

A truly native macOS Matrix client written in Swift/Cocoa with end-to-end encryption support.

ImageAlphakornelski/ImageAlpha

Mac GUI for pngquant, pngnq, and posterizer to reduce PNG file sizes while preserving alpha transparency.

KeyHolderClipy/KeyHolder

A Swift library for recording and displaying keyboard shortcuts in macOS applications.

gogpugogpu/gogpu

A pure Go GPU computing framework for graphics and compute operations with dual backends and zero CGO.

Adiumadium/adium

An open-source instant messaging application for macOS that connects to XMPP, IRC, and multiple other services.

Visual JSONyouknowone/VisualJSON

A simple JSON pretty-viewer application for Mac OS X.

OISwgois/OIS

A cross-platform, object-oriented input library for handling keyboard, mouse, and joystick devices in C++ applications.

SoqlXplorersuperfell/SoqlX

A macOS tool for Salesforce developers to explore schema, run SOQL queries, edit data, and execute Apex code.

Motismobilejazz/Motis

A lightweight Objective-C library for mapping JSON dictionaries to NSObject properties using Key-Value Coding (KVC).

ScreenToLayers for macOSduyquoc/ScreenToLayers

A macOS app that captures your screen and saves it as a layered PSD file for easy editing.

[Un]MuteMicCocoaHeadsBrasil/MuteUnmuteMic

A macOS app to mute and unmute your microphone input volume with a single click, designed for podcasters.

Acid.Cam.v2.OSXlostjared/Acid.Cam.v2.OSX

An open-source macOS application that transforms video into glitch art through real-time distortion filters and effects.

iChmNSGod/ichm

A native CHM file reader for macOS with tabbed browsing, search, PDF export, and localization.

Notenikhbowie/notenik-swift

A modern, powerful note-taking application for macOS, written in Swift.

Diurnangquerol/Diurna

A classic Hacker News client for macOS built with Cocoa and Swift, serving as a learning platform for Apple development.

wechselfriedrichweise/wechsel

A macOS tool that lets you switch between Bluetooth audio devices using a global keyboard shortcut.

Board For GitHubJustinFincher/BoardForGitHub

A native macOS app that displays GitHub project web pages in a webview for convenient monitoring.

iTunes GraphsZac-Garby/iTunes-Graphs

A macOS app that visualizes your iTunes library as interactive pie charts for artists, genres, and decades.

OpenGL Pascal Toolkitdaar/GLPT

A native Pascal toolkit for creating and managing OpenGL contexts across multiple platforms.

iOScanXalessiomaffeis/iOScanX

A Cocoa application for semi-automated iOS app analysis, providing a GUI workflow for scanning, evaluating, and reporting.

CocoaInterfaceplkrueger/CocoaInterface

A Lisp library for building Cocoa user interfaces dynamically within Clozure Common Lisp on macOS.

SWNetworkingskywite/SWNetworking

A high-level networking library for iOS, macOS, and tvOS with built-in request management, caching, and offline support.

Cocoajokade/scalanative-cocoa

Experimental Scala Native bridge for Objective-C and Cocoa frameworks.

DataKernelmrdekk/DataKernel

A minimalistic Swift wrapper around CoreData to simplify persistence operations with a protocol-based design.

nativefiledialogAlloyed/nativefiledialog

A lightweight C library for cross-platform native file open, save, and folder selection dialogs.