Apple

The Swift Programming Language

The Foundation Project, providing core utilities, internationalization, and OS independence

FoundationDB - the open source, distributed, transactional key-value store

This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.

The libdispatch Project, (a.k.a. Grand Central Dispatch), for concurrency on multicore hardware

This is the version of LLDB that supports the Swift programming language & REPL.

Logging and communication to allow Swift toolchains to communicate with Xcode.

Automated tests for validating the generated Swift snapshots behave correctly

The XCTest Project, A Swift core library for providing unit test support

The Package Manager for the Swift Programming Language

A low-level build system, used by Xcode 9 and the Swift Package Manager

Turi Create simplifies the development of custom machine learning models.

Event-driven network application framework for high performance protocol servers & clients, non-blocking.

Plugin and runtime library for using protobuf with Swift

Official CUPS Sources

Converter tools for Core ML.

The infrastructure and project index comprising the Swift source compatibility suite.

Python Kerberos library used by CalendarServer

The Darwin Kernel (mirror)

Contains common infrastructural code for both SwiftPM and llbuild.

Bindings to OpenSSL-compatible libraries for TLS support in SwiftNIO

The Calendar and Contacts Server.

Example package for use with the Swift Package Manager

Example package for use with the Swift Package Manager