Swift
C++, Swift
Swift is a general-purpose programming language built using a modern approach to safety, performance, and software design patterns.
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Apple projects
Open source software is at the heart of Apple platforms and developer tools. Apple manages the following projects and encourages your contribution.
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WebKit
C++, Objective-C, Objective-C++, Swift, Python
WebKit is an open source Web content engine for browsers and other applications.
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FoundationDB
C++, C
FoundationDB is a distributed key-value store that provides strong ACID transactions while scaling to support massive workloads.
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ResearchKit
Objective-C
ResearchKit is an open source framework that allows developers and researchers to create powerful apps for medical research.
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CareKit
Swift
CareKit is an open source framework for creating apps that help people better understand and manage their care plans and communication with their care team.
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MLX
Python, Swift, C, C++
MLX is an array framework designed for efficient and flexible machine learning research on Apple silicon.
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Pkl
Java, Pkl
An embedded configuration language with rich support for validation and tooling.
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Password Manager Resources
JavaScript, Ruby
A place for creators and users of password managers to collaborate on resources to make password management better.
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ServiceTalk
Java
A networking framework that evolves with your application.
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Core ML Tools
Python
The coremltools python package contains a suite of utilities to help you integrate machine learning into your app using Core ML.
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SwiftNIO
Swift
Event-driven, non-blocking, network application framework for high performance protocol servers & clients.
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Community projects
Explore some of the communities and projects that Apple participates in below.
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Kubernetes
Go
Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications.
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Apache Cassandra
Java
Apache Cassandra® is a non-relational distributed database with a fault-tolerant leaderless architecture.
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LLVM / Clang
C, C++, LLVM-IR, Objective-C, Swift
The LLVM compiler infrastructure supports a wide range of projects, from industrial strength compilers to specialized JIT applications to small research projects.
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Apache Spark
Scala, Python
Apache Spark™ is a multi-language engine for executing data engineering, data science, and machine learning on single-node machines or clusters.
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Netty
Java
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.
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Apache Solr
Java
Apache Solr™ is the popular, blazing-fast, open source search platform built on Apache Lucene.
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Apache Traffic Server
C++
Apache Traffic Server™ (ATS) is a web proxy cache that improves network efficiency and performance by caching frequently-requested content at the network edge.
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Universal Scene Description
C++, Python
Universal Scene Description (USD) is an efficient and scalable system for representing 3D scenes for interchange between graphics applications.
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containerd
Go
An open and reliable container runtime.
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Apache Flink
Java, Scala
Apache Flink™ is an open source stream processing framework with powerful stream- and batch-processing capabilities.
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Jupyter
Python, JavaScript
Project Jupyter aims to develop open-source software and services for interactive computing across dozens of programming languages.