Apple

The Swift Programming Language

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

Turi Create simplifies the development of custom machine learning models.

The Package Manager for the Swift Programming Language

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

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

HTTP/2 support for SwiftNIO

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

Automated tests for validating the generated Swift snapshots behave correctly

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

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

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

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

Official CUPS Sources

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

Useful code around SwiftNIO.

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

Plugin and runtime library for using protobuf with Swift

Bindings to OpenSSL-compatible libraries for TLS support in SwiftNIO

Converter tools for Core ML.

The Darwin Kernel (mirror)

A data generator for studying learning from weak supervision.

Example package for use with the Swift Package Manager

Swift Community-Hosted Continuous Integration

The Calendar and Contacts Server.

Python iCalendar library used by CalendarServer