42 projects
.NET runtime
.NET runtime is the execution engine that runs .NET applications, handling memory management, JIT compilation, and other core services needed to run managed code.
18,474
2,720
$467M
GraalJS
GraalJS is a high-performance JavaScript runtime implementation built on GraalVM that allows executing JavaScript code on the JVM. It provides full ECMAScript compliance, interoperability with Java, and the ability to run Node.js applications.
5,174
954
$539M
GraalVM
GraalVM is a high-performance runtime that provides significant improvements in application performance and efficiency. It includes a native image compiler for ahead-of-time compilation of Java applications into standalone native executables, a polyglot virtual machine that can run multiple programming languages efficiently, and tools for optimizing and debugging applications.
3,982
974
$86M
SapMachine
SapMachine is a downstream version of OpenJDK that is built, quality tested, maintained and supported by SAP. It provides a stable, secure and compatible Java runtime environment for SAP customers and partners.
2,941
187
$433M
JRuby
JRuby is an implementation of the Ruby programming language that runs on the Java Virtual Machine (JVM), allowing Ruby code to be executed in Java environments and seamlessly integrate with Java libraries and applications.
2,872
925
$39M
Scala 3 (Dotty)
Scala 3 (formerly Dotty) is the official next-generation compiler and language implementation for Scala, featuring significant improvements to the type system, syntax, and metaprogramming capabilities while maintaining compatibility with Scala 2.x
2,799
642
$25M
OpenJDK Valhalla
Project Valhalla is an OpenJDK initiative to enhance the Java programming language and JVM with advanced features like value types (inline classes), generic specialization, and primitive objects. It aims to improve performance and memory efficiency by allowing developers to work with data objects that have the abstraction benefits of classes but the runtime characteristics of primitives.
2,684
154
$437M
OpenJDK Mobile
https://openjdk.org/projects/mobile
2,363
111
$432M
Kotlin Programming Language
Kotlin is a modern, cross-platform programming language developed by JetBrains that runs on the JVM and can be compiled to JavaScript and native code. It offers full interoperability with Java while providing additional features like null safety, coroutines, and more concise syntax.
2,349
381
$257M
F#
F# is a functional-first programming language that runs on .NET. It is an open-source, cross-platform language that supports functional, imperative, and object-oriented programming paradigms. The project includes the F# compiler, core library implementation, and language tools.
2,165
447
$32M
Amazon Corretto 21
Corretto is a Linux Foundation project focused on developing open-source software solutions to enhance system reliability, performance, or security within the Linux ecosystem.
2,159
105
$428M
Amazon Corretto
Amazon Corretto 17 is a no-cost, multi-platform, production-ready distribution of OpenJDK 17
2,021
100
$393M
Amazon Corretto 11
Amazon Corretto 11 is a no-cost, multi-platform, production-ready distribution of OpenJDK 11
1,906
108
$384M
Scala 2
Scala 2 is the second major version of the Scala programming language, a statically-typed language that combines object-oriented and functional programming features while running on the Java Virtual Machine (JVM). It represents the mainstream implementation of Scala that has been widely used in production environments.
1,752
483
$18M
Durable Functions
The host/runtime that powers Azure Functions
1,652
226
$3.5M
Amazon Corretto 8
Amazon Corretto 8 is a no-cost, multi-platform, production-ready distribution of OpenJDK 8
1,571
102
$256M
Haxe
Haxe - The Cross-Platform Toolkit
1,567
345
$11M
Alibaba Dragonwell8 JDK Project
Alibaba Dragonwell8 JDK
1,420
67
$254M
.NET Interactive
.NET Interactive is a development platform that enables interactive coding experiences by combining .NET notebooks, REPLs, and custom coding tools. It allows developers to write, execute, and share code in multiple languages within Jupyter notebooks and other interactive environments, with support for C#, F#, PowerShell, and SQL.
1,318
216
$7.2M
Jint
Jint is a JavaScript interpreter for .NET that provides full ECMA 5.1 compliance. It enables parsing and executing JavaScript code from within .NET applications, with support for accessing .NET objects and functions from JavaScript.
928
188
$10M
Apache Groovy
Apache Groovy is a powerful, optionally typed and dynamic programming language for the Java platform that offers a concise syntax, seamless Java integration, and modern programming features like closures and metaprogramming capabilities. It can be used as both a programming language and a scripting language for the Java Platform.
853
172
$19M
Eclipse JDT Core
Eclipse JDT Core is a Java development tools component that provides the core infrastructure for the Eclipse Java IDE, including a full-featured Java compiler, code analysis, manipulation and refactoring capabilities, and APIs for Java development tooling.
774
153
$68M
Clojure
The Clojure programming language
375
100
$2.7M
Enumeratum
Enumeratum is a type-safe and macro-powered enumeration library for Scala that provides compile-time exhaustiveness checks and enhanced enum functionality compared to standard Scala enumerations
347
112
$302K
WartRemover
WartRemover is a Scala linter and code quality tool that helps identify and prevent common programming mistakes, anti-patterns, and potential bugs in Scala code through compile-time checks and customizable rules
331
142
$438K
Flix
The Flix Programming Language
322
64
$3.3M
Lucee
Lucee is a high-performance, open-source CFML server written in Java. Supporting JDBC, Caching, Parallelism, HTTP, ORM, REST, S3 and dynamic Java integration, Lucee is great for developers aiming to build fast, scalable applications, delivering faster startup, rapid compilation and better runtime performance.
191
35
$18M
BeanShell
BeanShell is a lightweight scripting language for Java that runs in the JVM. It features dynamic typing, scripting commands, and seamless integration with Java objects and APIs while maintaining Java-like syntax. The interpreter can be embedded in applications to provide scripting capabilities.
174
40
$1M
Izumi Reflect
Izumi Reflect is a lightweight, dependency-free library for runtime reflection in Scala. It provides type information and metadata access capabilities while maintaining good performance and a small footprint.
90
31
$340K
XSharp
Public repository for the source code for the XSharp Compiler, Runtime, Project System and Tools.
88
5
$344M
Soundness
A Scala library for type-level soundness checking and verification of type constraints at compile time
81
20
$7.3M
Adoptium Project
This repo is an unmodified mirror of source code obtained from OpenJDK. It has been and may still be used to create builds that are untested and incompatible with the Java SE specification. You should not deploy or write to this code, but instead use the tested and certified Java SE compatible version that is available at https://adoptium.net.
Bazel Scala Rules
Scala rules for Bazel
JDK Updates
https://openjdk.org/projects/jdk-updates
Leiningen
Leiningen is a build automation and dependency management tool for Clojure projects. It handles project lifecycle tasks like compiling, testing, deploying, and managing dependencies, making it easier for developers to build and maintain Clojure applications.
Nashorn
https://openjdk.org/projects/nashorn
Wakefield
https://openjdk.org/projects/wakefield