apple

A tool for creating and running Linux containers using lightweight virtual machines on a Mac. It is written in Swift, and optimized for Apple silicon.

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

A configuration as code language with rich validation and tooling.

Legacy mirror of Darwin Kernel. Replaced by https://github.com/apple-oss-distributions/xnu

Turi Create simplifies the development of custom machine learning models.

Containerization is a Swift package for running Linux containers on macOS.

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

CoreNet: A library for training deep neural networks

Commonly used sequence and collection algorithms for Swift

Core ML tools contain supporting tools for Core ML model conversion, editing, and validation.

Embedding Atlas is a tool that provides interactive visualizations for large embeddings. It allows you to visualize, cross-filter, and search embeddings and metadata.

A place for creators and users of password managers to collaborate on resources to make password management better.

Plugin and runtime library for using protobuf with Swift

Commonly used data structures for Swift

A Logging API for Swift

Straightforward, type-safe argument parsing for Swift

Async Algorithms for Swift

TensorFlow for macOS 11.0+ accelerated using Apple's ML Compute framework.

An Extensible Deep Learning Library

Model export recipes, Python primitives, and Swift runtime utilities for on-device AI

Apple CUPS Sources

Generate Swift client and server code from an OpenAPI document.

Advanced mathematical types and functions for Swift

SwiftUI sample code from WWDC22

Open-source implementation of a substantial portion of the API of Apple CryptoKit suitable for use on all Swift supported platforms.

Low-level system calls and types for Swift

Python bindings for access to the on-device model at the core of Apple Intelligence through the Foundation Models framework

Private Cloud Compute (PCC)

Low-level atomic operations for Swift

A networking framework that evolves with your application

Version-independent HTTP currency types for Swift

Device management schema data for MDM.

API package for reading configuration.

Metrics API for Swift

Moved to apple/swift-protobuf

Peer-to-peer cluster implementation for Swift Distributed Actors

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

Homomorphic Encryption library and applications in Swift

Emerging and experimental patterns for building with the Foundation Models framework

A Swift library for reading, writing, and manipulating Xcode's JSON-based project.xcproj format.

SwiftNIO SSH is a programmatic implementation of SSH using SwiftNIO

The Calendar and Contacts Server.

HTTP/2 support for SwiftNIO

TLS Support for SwiftNIO, based on BoringSSL.

Apple corecrypto

Build and publish container images using Swift Package Manager

The Node.js server library for the App Store Server API and App Store Server Notifications.

A benchmarking tool for Swift Collection algorithms

Simulation framework for accelerating research in Private Federated Learning

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

Pkl bindings for the Go programming language

Instrumentation library for Swift server applications

Swift SDK for Temporal

A fresh take on a low-level build system API.

The Swift server library for the App Store Server API and App Store Server Notifications.

An implementation of X.509 for Swift

The Java server library for the App Store Server API and App Store Server Notifications.

Define and operate on type safe MMIO

API package for code generated by Swift OpenAPI Generator.

Shared Pkl packages

The Python server library for the App Store Server API and App Store Server Notifications.

examples of how to use swift-nio

Examples for using Pkl with Kubernetes

Useful code around SwiftNIO.

Distributed Membership Protocol implementations in Swift

A service discovery API for Swift.

AudioUnit SDK

Example PIR service & documentation for Live Caller ID Lookup & NEURLFilter

The gateway component to make Spark on K8s much easier for Spark users.

Resources for porting games and engines to Apple platforms

URLSession transport for Swift OpenAPI Generator.

Swift library for FHIR® resource data models

Minimal type-safe context propagation container

Pkl bindings for the Swift programming language

A Swift implementation of the HTTP Structured Header Field specification.

Examples for using Pkl within Go applications

Example package for use with the Swift Package Manager

An implementation of ASN.1 for Swift

Bridges PyTorch and Core AI. Convert existing models to Core AI IR, or author new ones from PyTorch via composite ops, custom op lowerings, and inline Metal GPU kernels.

Report process-level system metrics (memory, CPU, file descriptors) to Swift Metrics

Pkl language support for Neovim

A Swift library for asynchronous DNS requests, wrapping c-ares with Swift-friendly APIs and data structures.

Legacy mirror of Darwin PThread Library. Replaced by https://github.com/apple-oss-distributions/libpthread

Swift TrueType Interpreter

A Swift project that provides an implementation of the IMAP4rev1 protocol, built upon SwiftNIO.

A library for PyTorch model compression and optimizations for deployment via Core AI on Apple silicon.