Apple

The Swift Programming Language

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

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

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

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

Turi Create simplifies the development of custom machine learning models.

Official CUPS Sources

The Package Manager for the Swift Programming Language

SwiftPM package for SwiftSyntax library.

Converter tools for Core ML.

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

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

Stress testing utilities for Swift's tooling

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

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

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

Bindings to OpenSSL-compatible libraries for TLS support in SwiftNIO

Language Server Protocol implementation for Swift and C-based languages

Index database library for use with sourcekit-lsp

Python iCalendar library used by CalendarServer

Extensions for SwiftNIO to support Apple platforms as first-class citizens.

The Calendar and Contacts Server.