Open source software is at the heart of Apple platforms and developer tools, and Apple continues to contribute and release significant quantities of open source code.
Swift
Aerial is completely free and open source. You can follow its development here on GitHub, and even participate if you want. You don't have to be a developer, we always need help when it comes to translations in various languages, check here for more information (it's easy!). Get free use of a Mac mini for your open source project Includes a base Mac mini i5 hosted from one of our available data centers (view all of our Mac mini options) The base Mac mini doesn’t meet your needs? Open source developers can apply an equivalent discount to an upgraded mini or any of our hosted Mac products.
Swift is a powerful and intuitive programming language designed to give developers the freedom and capabilities they need to create a new generation of cutting-edge apps. Swift is easy to learn and use and it’s open source, so anyone with an idea can create something incredible.
Visit Swift.orgWebKit
WebKit — the open source rendering engine introduced by Apple — powers Safari on macOS and iOS. WebKit features blazing performance and extensive standards support. And because it’s open source, developers can examine WebKit code and contribute to the community.
Visit WebKit.orgWindows
Open Source Excel For Mac
Password Manager Resources
The Password Manager Resources open source project allows you to integrate website-specific requirements used by the iCloud Keychain password manager to generate strong, unique passwords. The project also contains collections of websites known to share a sign-in system, links to websites’ pages where users change passwords, and more.
View password manager resourcesResearchKit
ResearchKit is an open source framework that enables an iOS app to become a powerful tool for medical research. It includes a variety of customizable modules that you can build upon and share with the community.
View the ResearchKit Open Source ProjectCareKit
CareKit is an open source framework for developing apps that help people better understand and manage their health by creating dynamic care plans, tracking symptoms, connecting to care teams, and more.
Visit CareKit.orgBonjour
Bonjour enables automatic discovery of devices and services on a local network using industry standard IP protocols. It makes it easy to discover, publish, and resolve network services with a sophisticated, yet easy-to-use, programming interface.
Learn more about BonjourUNIX
macOS combines a proven UNIX foundation with the easy-to-use Mac interface to bring industrial-strength computing to the desktop.
View Unix documentationCommand Line Tools
Download command line developer tools, including Apple LLVM compiler, linker, and Make.
Open Source Projects
Open Source Mac Address Changer
View iOS, macOS, and developer tool open source projects.
Documentation
Open Source For Mac Download
View open source related documentation.