Best OpenJDK Alternatives & Competitors in 2025

The code for Java is open source and available at OpenJDK™.

Liberica is a 100% open-source Java 13.0.1 implementation.

Clear, Fast & Unlimited. Residential & Mobile Proxies For Best Price.

Try for free paid Free Trial $3.0 (3$ per 1 Gb)

The RedHat build of OpenJDK

The Microsoft Build of OpenJDK is a new no-cost long-term supported distribution and Microsoft’s new way to collaborate and contribute to the Java ecosystem.

Open Source

Zulu is a professional DJ mixing software to mix and broadcast live music, audio and mp3s.

Amazon Corretto is a no-cost, multiplatform, production-ready distribution of the Open Java Development Kit (OpenJDK).

Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.

Oracle JDeveloper is a free integrated development environment that simplifies the development of Java EE-based composite applications and provides a complete end-to-end development for Oracle Fusion Middleware including SOA, WebCenter, Business Pro…

Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.

Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

Open Source

Build and debug modern web and cloud applications, by Microsoft

Open Source

Capable and Ergonomic IDE for JVM

A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible