OpenJDK

OpenJDK

Oracle
+
+

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About

The place to collaborate on an open-source implementation of the Java platform, standard edition, and related projects. Download and install the latest open-source JDK. Oracle’s free, GPL-licensed, production-ready OpenJDK JDK 21 binaries for Linux, macOS, and Windows are available, Oracle’s commercially-licensed JDK 21 binaries, based on the same code, are available as well. Browse the code on the web, clone a repository to make a local copy, and contribute a patch to fix a bug, enhance an existing component, or define a new feature. OpenJDK provides source code that developers can use to build their binaries. Consequently, users are responsible for compiling the code and generating the Java runtime tailored to their specific platform. The JDK is a complex software project. Building it requires a certain amount of technical expertise, a fair number of dependencies on external software, and reasonably powerful hardware.

About

RunMat (by Dystr) is a fast, free, open-source alternative for running MATLAB code. Users can run their existing .m files with complete MATLAB language grammar and core semantics. No license fees, no lock-in. 300+ built-in functions supported. RunMat is built with a modern Rust runtime featuring a tiered execution model: an interpreter (Ignition) for instant 5ms startup and a JIT compiler (Turbine/Cranelift) for hot paths. GPU acceleration is automatic via a fusion engine that detects elementwise operation chains and dispatches them as optimized GPU kernels across NVIDIA, AMD, Apple Silicon, and Intel GPUs through Metal, DirectX 12, Vulkan, and WebGPU. Up to 131x faster than NumPy and 7x faster than PyTorch on dense numerical workloads. Runs everywhere: CLI, NPM package, Homebrew, Jupyter kernel, or instantly in the browser via WebAssembly + WebGPU. Single portable binary. MIT licensed.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers looking for a free and open source implementation of the Java platform

Audience

Engineers, Scientists, Researchers

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

$0
Free, Open Source. MIT licensed runtime with no seat limits. Cloud plans available for collaboration and team features.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Oracle
openjdk.org

Company Information

RunMat
Founded: 2022
United States
runmat.com

Alternatives

Alternatives

MATLAB

MATLAB

The MathWorks
UberCloud

UberCloud

Simr (formerly UberCloud)

Categories

Categories

Computer-Aided Engineering (CAE) Features

CAD/CAM Compatibility Not Supported
Finite Element Analysis Not Supported
Fluid Dynamics Supported
Import / Export Files Supported
Integrated 3D Modeling Not Supported
Manufacturing Process Simulation Supported
Mechanical Event Simulation Supported
Multibody Dynamics Not Supported
Thermal Analysis Supported

Integrations

AWS Marketplace Supported
Amazon Corretto Supported
Azure Marketplace Supported
GitHub Not Supported
Java Supported
Jupyter Notebook Not Supported
MATLAB Not Supported
Oracle Cloud Infrastructure Supported
npm Not Supported

Integrations

AWS Marketplace Not Supported
Amazon Corretto Not Supported
Azure Marketplace Not Supported
GitHub Supported
Java Not Supported
Jupyter Notebook Supported
MATLAB Supported
Oracle Cloud Infrastructure Not Supported
npm Supported
Claim OpenJDK and update features and information
Claim OpenJDK and update features and information
Claim RunMat and update features and information
Claim RunMat and update features and information