# Best Java Development Kit (JDK) Distributions *By [Adam Crivello](https://research.g2.com/insights/author/adam-crivello)* Java development kit (JDK) distributions, or Java runtime environment (JRE) distributions provide the necessary resources and processes to run Java applications atop an underlying operating system. These elements include all required Java SE (Standard Edition) classes and code execution environments. JDK / JRE distributions also include a Java Virtual Machine (JVM) which enables Java's cross-platform portability and allows Java’s compiled code to be smaller in size. Java is a popular programming language, and the JDK / JRE can be thought of as a communication layer between written Java programs and operating systems. All distributions of the JDK derive from OpenJDK, the open-source implementation of Java SE which is collectively developed and maintained by the major vendors in this space. Development teams use their chosen distribution of the JDK to gain access to classes (prewritten code with functionality that can be called via shorthand commands), to write Java code and develop applications, to verify and validate their written code including error and security remediation, and to run their code as an application. For JDK or JRE distributions to be considered compatible with Java SE, it must pass the technology compatibility kit (TCK) test suite. The Java TCK, also referred to as the JCK, is made available through the OpenJDK Community TCK License Agreement (OCTLA) to organizations who are working in and contributing to the OpenJDK Community. Additionally, some distributions (often referred to as “downstream" distributions) provide highly differentiated benefits such as significantly improved application experiences and reduced infrastructure costs. These can include enhanced performance (better garbage collection, faster warm-up, etc.) and cloud native capabilities. To qualify for inclusion in the Java Development Kit (JDK) Distributions category, a product must: - Include a Java Virtual Machine (JVM) - Include the Java SE API (application programming interface) - a set of internal classes to build Java applications - Provide the packages and tools for developing, testing, and monitoring Java applications ## G2 Grid® for Java Development Kit (JDK) Distributions ![G2 Grid® for Java Development Kit (JDK) Distributions plotting products by satisfaction and market presence](https://www.g2.com/categories/java-development-kit-jdk-distributions/grids.png?focus%5B%5D=115191&focus%5B%5D=1203961&focus%5B%5D=1174767&focus%5B%5D=155578&focus%5B%5D=1203962&focus%5B%5D=1203959&focus%5B%5D=13685) Highlighted products: Amazon Corretto, Oracle Java Downloads, Liberica JDK, Azul Platform Core (Zulu), Microsoft Build of OpenJDK, SAPMachine, and Azul Platform Prime (Zing). Underlying data: [Grid® JSON](https://www.g2.com/categories/java-development-kit-jdk-distributions/grids.json?focus%5B%5D=amazon-corretto&focus%5B%5D=oracle-java-downloads&focus%5B%5D=liberica-jdk&focus%5B%5D=azul-platform-core-zulu&focus%5B%5D=microsoft-build-of-openjdk&focus%5B%5D=sapmachine&focus%5B%5D=azul-platform-prime-zing) ## How Many Java Development Kit (JDK) Distributions Products Does G2 Track? **Total Products under this Category:** 15 ### Category Stats (Jul 2026) - **Average Rating**: 4.45/5 The average rating of products in this category, based on all submitted ratings *Last updated: July 13, 2026* ## How Does G2 Rank Java Development Kit (JDK) Distributions Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 300+ Authentic Reviews - 15+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. ## Which Java Development Kit (JDK) Distributions Is Best for Your Use Case? - **Leader:** [Amazon Corretto](https://www.g2.com/products/amazon-corretto/reviews) - **Highest Performer:** [Liberica JDK](https://www.g2.com/products/liberica-jdk/reviews) - **Easiest to Use:** [Amazon Corretto](https://www.g2.com/products/amazon-corretto/reviews) - **Top Trending:** [Oracle Java Downloads](https://www.g2.com/products/oracle-java-downloads/reviews) ## What Are the Top-Rated Java Development Kit (JDK) Distributions Products in 2026? ### 1. [Amazon Corretto](https://www.g2.com/products/amazon-corretto/reviews) Amazon Corretto is a no-cost, multi-platform, production-ready distribution of the Open Java Development Kit (OpenJDK). It offers long-term support with regular performance enhancements and security fixes. Amazon utilizes Corretto internally across thousands of production services, ensuring its reliability and compatibility with the Java SE standard. Developers can use Corretto to build and run Java applications on various operating systems, including Linux, Windows, and macOS. Key Features and Functionality: - Long-Term Support (LTS): Provides ongoing updates, including performance improvements and critical security patches, allowing developers to upgrade versions as needed. - Production-Ready: Certified to meet the Java SE standard, making it suitable as a direct replacement for many Java SE distributions. - Multi-Platform Support: Compatible with multiple operating systems, including Linux (x64 and aarch64), Windows (x64), macOS (x64 and M1), Alpine Linux (x64), and Amazon Linux 2 (x64 and aarch64). Docker images are also available in Amazon Elastic Container Registry (Amazon ECR) Public Gallery and Docker Hub. - No-Cost Availability: Available for download and use at no cost, with no additional paid features or restrictions. Primary Value and User Solutions: Amazon Corretto addresses the need for a reliable, secure, and cost-effective Java development environment. By offering a free, production-ready distribution of OpenJDK with long-term support, it enables developers to build and maintain Java applications without incurring licensing fees. Its multi-platform compatibility ensures a consistent development experience across different environments, while regular updates provide ongoing performance enhancements and security fixes, reducing maintenance overhead and enhancing application stability. **Average Rating:** 4.5/5.0 **Total Reviews:** 123 **How Do G2 Users Rate Amazon Corretto?** - **Cloud Native:** 8.8/10 (Category avg: 8.5/10) - **Migration:** 8.9/10 (Category avg: 9.0/10) - **Issue Resolution:** 8.3/10 (Category avg: 8.7/10) - **Ease of Use:** 9.0/10 (Category avg: 9.2/10) **Who Is the Company Behind Amazon Corretto?** - **Seller:** [Amazon Web Services (AWS)](https://www.g2.com/sellers/amazon-web-services-aws-3e93cc28-2e9b-4961-b258-c6ce0feec7dd) - **Year Founded:** 2006 - **HQ Location:** Seattle, WA - **Twitter:** @awscloud (2,232,483 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/amazon-web-services/ (147,094 employees on LinkedIn®) - **Ownership:** NASDAQ: AMZN **Who Uses This Product?** - **Who Uses This:** Software Engineer, Senior Software Engineer - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 45% Small-Business, 33% Mid-Market #### What Are Amazon Corretto's Pros and Cons? **Pros:** - Java Support (11 reviews) - Open Source (11 reviews) - Software Updates (11 reviews) - Free Usage (8 reviews) - Performance Efficiency (8 reviews) **Cons:** - Poor Documentation (9 reviews) - Update Issues (7 reviews) - Limited Compatibility (4 reviews) - Poor Customer Support (4 reviews) - Limited Features (3 reviews) ### What Do G2 Reviewers Say About Amazon Corretto? *AI-generated summary from verified user reviews* **Pros:** - Users value the **cost-effectiveness and stability** of Amazon Corretto, appreciating its seamless integration and long-term support. - Users value Amazon Corretto for its **free, fully open-source nature** , ensuring a polished and reliable Java environment. - Users value the **regular software updates** of Amazon Corretto, ensuring enhanced performance and security for their Java applications. - Users value the **completely free usage** of Amazon Corretto, enabling projects without licensing fees or restrictions. - Users praise the **optimal performance efficiency** of Amazon Corretto, ensuring remarkable stability in production environments. **Cons:** - Users find the **documentation insufficient** , lacking detail on performance tuning and specific use cases for Corretto. - Users face **update issues** with Amazon Corretto, experiencing delays in adopting new patches compared to other JDK distributions. - Users note **limited compatibility** with older web applications requiring traditional Java installations, complicating configurations in mixed environments. - Users report **poor customer support** with Amazon Corretto, especially for those who are not premium users. - Users note the **limited features** of Amazon Corretto, particularly in performance monitoring and detailed documentation. #### What Are Recent G2 Reviews of Amazon Corretto? **"[Free, Stable, and LTS-Backed JDK: Amazon Corretto as a Seamless Drop-In Replacement](https://www.g2.com/survey_responses/amazon-corretto-review-12318459)"** **Rating:** 5.0/5.0 stars *— Tajdar K.* [Read full review](https://www.g2.com/survey_responses/amazon-corretto-review-12318459) --- **"[Reliable, Free OpenJDK with Long-Term Support and Smooth Cross-Platform Performance](https://www.g2.com/survey_responses/amazon-corretto-review-12904049)"** **Rating:** 4.5/5.0 stars *— Vishal K.* [Read full review](https://www.g2.com/survey_responses/amazon-corretto-review-12904049) --- #### What Are G2 Users Discussing About Amazon Corretto? - [Is Amazon Corretto same as OpenJDK?](https://www.g2.com/discussions/is-amazon-corretto-same-as-openjdk) - 2 comments - [Is Amazon Corretto JDK or JRE?](https://www.g2.com/discussions/is-amazon-corretto-jdk-or-jre) - 2 comments - [What is the difference between JDK and Amazon Corretto?](https://www.g2.com/discussions/what-is-the-difference-between-jdk-and-amazon-corretto) - 2 comments - [What does Amazon Corretto do?](https://www.g2.com/discussions/what-does-amazon-corretto-do) - 2 comments ### 2. [Oracle Java Downloads](https://www.g2.com/products/oracle-java-downloads/reviews) Oracle Java Downloads provides developers and enterprises with access to the latest Java Development Kit (JDK) releases, including both Long-Term Support (LTS) and non-LTS versions. These downloads are essential for building, testing, and deploying Java applications across various platforms. Key Features and Functionality: - Comprehensive Access: Users can download the most recent JDK versions, such as JDK 25 and JDK 21, along with earlier versions, ensuring compatibility and support for diverse development needs. - Multiple Platforms: The JDK is available for various operating systems, including Windows, macOS, and Linux, catering to a wide range of development environments. - License Flexibility: JDK binaries are free to use in production and free to redistribute under the Oracle No-Fee Terms and Conditions (NFTC). Updates for LTS releases are provided under NFTC for a specified period, after which they may require a fee under the Oracle Technology Network (OTN) License. - Script-Friendly Downloads: Through the Java Management Service (JMS) on Oracle Cloud Infrastructure (OCI), developers can utilize scriptable Java downloads with token-based authentication, facilitating seamless integration into automated build and deployment systems. Primary Value and Solutions: Oracle Java Downloads simplifies the process of obtaining and managing Java SE Development Kits, ensuring developers have timely access to the tools necessary for application development. The service addresses the need for up-to-date, secure, and compatible Java environments, supporting both individual developers and large enterprises in maintaining robust and efficient Java applications. **Average Rating:** 4.4/5.0 **Total Reviews:** 43 **How Do G2 Users Rate Oracle Java Downloads?** - **Cloud Native:** 8.7/10 (Category avg: 8.5/10) - **Migration:** 8.6/10 (Category avg: 9.0/10) - **Issue Resolution:** 9.0/10 (Category avg: 8.7/10) - **Ease of Use:** 8.8/10 (Category avg: 9.2/10) **Who Is the Company Behind Oracle Java Downloads?** - **Seller:** [Oracle](https://www.g2.com/sellers/oracle) - **Year Founded:** 1977 - **HQ Location:** Austin, TX - **Twitter:** @Oracle (827,997 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/1028/ (208,078 employees on LinkedIn®) - **Ownership:** NYSE:ORCL **Who Uses This Product?** - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 46% Small-Business, 29% Mid-Market #### What Are Recent G2 Reviews of Oracle Java Downloads? **"[Verbose, Strongly Typed Java with Great Performance and Spring Boot Support](https://www.g2.com/survey_responses/oracle-java-downloads-review-12767398)"** **Rating:** 5.0/5.0 stars *— Utkarsh Y.* [Read full review](https://www.g2.com/survey_responses/oracle-java-downloads-review-12767398) --- **"[Beginner-Friendly and Easy to Use, No Complicated Coding](https://www.g2.com/survey_responses/oracle-java-downloads-review-12808847)"** **Rating:** 5.0/5.0 stars *— Aryan G.* [Read full review](https://www.g2.com/survey_responses/oracle-java-downloads-review-12808847) --- ### 3. [Liberica JDK](https://www.g2.com/products/liberica-jdk/reviews) Liberica JDK is a Java runtime for modern Java deployments. It is run on any platform, and in any environment allowing a secure, reliable, and cost-effective approach to application development. Liberica JDK unifies the Java environment, providing one runtime for cloud, server and desktop use cases. ​​Liberica JDK is compatible with any cloud solution and is the runtime for VMware Tanzu and Spring Framework. BellSoft team guarantees at least eight years of Liberica JDK lifetime with bug fixes, security updates, and other improvements as needed. All Liberica JDK binaries are verified by the Technology Compatibility Kit (TCK) for Java SE spec compliance. **Average Rating:** 5.0/5.0 **Total Reviews:** 14 **How Do G2 Users Rate Liberica JDK?** - **Cloud Native:** 9.2/10 (Category avg: 8.5/10) - **Migration:** 9.9/10 (Category avg: 9.0/10) - **Issue Resolution:** 8.9/10 (Category avg: 8.7/10) - **Ease of Use:** 10.0/10 (Category avg: 9.2/10) **Who Is the Company Behind Liberica JDK?** - **Seller:** [BellSoft](https://www.g2.com/sellers/bellsoft) - **Year Founded:** 2017 - **HQ Location:** San Jose, California, United States - **Twitter:** @bellsoftware (4,107 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/bell-sw (72 employees on LinkedIn®) - **Phone:** +1 (702) 2135959 **Who Uses This Product?** - **Company Size:** 43% Mid-Market, 43% Small-Business #### What Are Recent G2 Reviews of Liberica JDK? **"[Seamless Docker Integration, Unmatched Performance](https://www.g2.com/survey_responses/liberica-jdk-review-12771844)"** **Rating:** 5.0/5.0 stars *— Renaldas s.* [Read full review](https://www.g2.com/survey_responses/liberica-jdk-review-12771844) --- **"[Optimized and Powerful for Java Microservices](https://www.g2.com/survey_responses/liberica-jdk-review-12776228)"** **Rating:** 5.0/5.0 stars *— Albert G.* [Read full review](https://www.g2.com/survey_responses/liberica-jdk-review-12776228) --- ### 4. [Azul Platform Core (Zulu)](https://www.g2.com/products/azul-platform-core-zulu/reviews) Azul Platform Core is designed for the enterprise, with the certified builds, tight security, and cost efficiencies you need to run today’s business–critical, Java-based services. More Trust Built by Java leaders, Azul Platform Core provides 100% open source, fully tested and certified, Java SE standards-compliant, well-curated builds of OpenJDK. More Security Azul Platform Core delivers stabilized builds backed by an industry-leading support SLA, providing quarterly security-only updates for assured rapid deployment into production. More Value Azul Platform Core is a one-to-one replacement for Oracle Java SE at dramatically lower costs—delivering the most architectures, package types, and configuration options available. **Average Rating:** 4.9/5.0 **Total Reviews:** 58 **How Do G2 Users Rate Azul Platform Core (Zulu)?** - **Cloud Native:** 9.5/10 (Category avg: 8.5/10) - **Migration:** 9.8/10 (Category avg: 9.0/10) - **Issue Resolution:** 9.2/10 (Category avg: 8.7/10) - **Ease of Use:** 9.9/10 (Category avg: 9.2/10) **Who Is the Company Behind Azul Platform Core (Zulu)?** - **Seller:** [Azul Systems](https://www.g2.com/sellers/azul-systems) - **Year Founded:** 2002 - **HQ Location:** Sunnyvale, CA - **Twitter:** @AzulSystems (4,175 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/9899/ (556 employees on LinkedIn®) **Who Uses This Product?** - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 62% Small-Business, 26% Mid-Market #### What Are Recent G2 Reviews of Azul Platform Core (Zulu)? **"[Easiest way to use OpenJDK](https://www.g2.com/survey_responses/azul-platform-core-zulu-review-9516656)"** **Rating:** 5.0/5.0 stars *— Ankur S.* [Read full review](https://www.g2.com/survey_responses/azul-platform-core-zulu-review-9516656) --- **"[First Apple Silicon (M1) native JDK](https://www.g2.com/survey_responses/azul-platform-core-zulu-review-9191512)"** **Rating:** 5.0/5.0 stars *— Sergey C.* [Read full review](https://www.g2.com/survey_responses/azul-platform-core-zulu-review-9191512) --- ### 5. [Microsoft Build of OpenJDK](https://www.g2.com/products/microsoft-build-of-openjdk/reviews) The Microsoft Build of OpenJDK is a free, open-source distribution of the Open Java Development Kit provided by Microsoft. It offers Long-Term Support binaries for Java versions 11, 17, and 21, compatible with x64 and AArch64/ARM64 architectures across Windows, macOS, and Linux platforms. Designed as a drop-in replacement for other OpenJDK distributions, it ensures seamless integration for developers and enterprises. Key Features and Functionality: - Cross-Platform Compatibility: Supports multiple operating systems, including Windows, macOS, and Linux, on both x64 and AArch64/ARM64 architectures. - Long-Term Support : Provides LTS releases for Java 11, 17, and 21, with regular quarterly updates to ensure stability and security. - Open Source and Free: Available at no cost, allowing unrestricted deployment and use across various environments. - Azure Integration: Optimized for Microsoft Azure services, facilitating efficient deployment and management of Java applications in the cloud. - Quality Assurance: Binaries are tested against the Eclipse Adoptium Quality Assurance suite and have passed the Java Technology Compatibility Kit , ensuring compliance with Java specifications. Primary Value and Problem Solved: The Microsoft Build of OpenJDK addresses the need for a reliable, secure, and well-supported Java development environment, particularly for enterprises and developers utilizing Microsoft products and services. By offering a free, open-source, and LTS-supported JDK, it ensures compatibility and performance across diverse platforms. Its seamless integration with Azure simplifies the deployment and management of Java applications in the cloud, providing a cohesive and efficient development experience. **Average Rating:** 4.2/5.0 **Total Reviews:** 16 **How Do G2 Users Rate Microsoft Build of OpenJDK?** - **Cloud Native:** 7.7/10 (Category avg: 8.5/10) - **Migration:** 8.7/10 (Category avg: 9.0/10) - **Issue Resolution:** 8.1/10 (Category avg: 8.7/10) - **Ease of Use:** 8.3/10 (Category avg: 9.2/10) **Who Is the Company Behind Microsoft Build of OpenJDK?** - **Seller:** [Microsoft](https://www.g2.com/sellers/microsoft) - **Year Founded:** 1975 - **HQ Location:** Redmond, Washington - **Twitter:** @microsoft (13,091,739 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/microsoft/ (231,632 employees on LinkedIn®) - **Ownership:** MSFT **Who Uses This Product?** - **Top Industries:** Information Technology and Services - **Company Size:** 50% Small-Business, 25% Enterprise #### What Are Recent G2 Reviews of Microsoft Build of OpenJDK? **"[Why you can rely on OpenJDK?](https://www.g2.com/survey_responses/microsoft-build-of-openjdk-review-7408829)"** **Rating:** 4.5/5.0 stars *— Omar M.* [Read full review](https://www.g2.com/survey_responses/microsoft-build-of-openjdk-review-7408829) --- **"[Great tool](https://www.g2.com/survey_responses/microsoft-build-of-openjdk-review-7287051)"** **Rating:** 5.0/5.0 stars *— Blaks B.* [Read full review](https://www.g2.com/survey_responses/microsoft-build-of-openjdk-review-7287051) --- ### 6. [SAPMachine](https://www.g2.com/products/sapmachine/reviews) SapMachine is a free, cross-platform, and production-ready distribution of the OpenJDK, maintained by SAP. It serves as the default Java Runtime for SAP's applications and services, ensuring compatibility and reliability. Designed to be Java SE certified, SapMachine supports all major operating systems and offers long-term support releases that include bug fixes and performance enhancements. SAP aims to keep SapMachine closely aligned with OpenJDK, introducing additional features only when absolutely necessary. Key Features and Functionality: - Cross-Platform Support: Compatible with major operating systems, facilitating diverse deployment environments. - Long-Term Support Releases: Provides LTS versions with regular updates, including bug fixes and performance improvements. - OpenJDK Compatibility: Maintains close alignment with OpenJDK, ensuring seamless integration and minimal deviations. - SAP Enhancements: Incorporates SAP's contributions to the Java ecosystem, such as PowerPC/AIX support, elastic Metaspace, and enhanced NullPointerExceptions. Primary Value and User Solutions: SapMachine offers a robust and reliable Java runtime environment tailored for enterprise applications. By providing a Java SE-certified platform with long-term support, it addresses the need for stability and consistent performance in production settings. Its cross-platform compatibility ensures flexibility in deployment, while SAP's active maintenance and contributions to the OpenJDK ecosystem enhance the runtime's capabilities, benefiting developers and organizations seeking a dependable Java solution. **Average Rating:** 4.2/5.0 **Total Reviews:** 20 **How Do G2 Users Rate SAPMachine?** - **Cloud Native:** 7.8/10 (Category avg: 8.5/10) - **Migration:** 8.0/10 (Category avg: 9.0/10) - **Issue Resolution:** 7.9/10 (Category avg: 8.7/10) - **Ease of Use:** 8.7/10 (Category avg: 9.2/10) **Who Is the Company Behind SAPMachine?** - **Seller:** [SAP](https://www.g2.com/sellers/sap) - **Year Founded:** 1972 - **HQ Location:** Walldorf - **Twitter:** @SAP (297,052 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/sap/ (141,955 employees on LinkedIn®) - **Ownership:** NYSE:SAP **Who Uses This Product?** - **Top Industries:** Computer Software, Information Technology and Services - **Company Size:** 60% Enterprise, 20% Mid-Market #### What Are Recent G2 Reviews of SAPMachine? **"[SAPMachine - Your goto SAP buddy](https://www.g2.com/survey_responses/sapmachine-review-9002251)"** **Rating:** 4.5/5.0 stars *— Nikhil A.* [Read full review](https://www.g2.com/survey_responses/sapmachine-review-9002251) --- **"[Optimized JDK for SAP Applications with Support Through SAP Services](https://www.g2.com/survey_responses/sapmachine-review-9001522)"** **Rating:** 4.5/5.0 stars *— Abhilash K.* [Read full review](https://www.g2.com/survey_responses/sapmachine-review-9001522) --- ### 7. [Azul Platform Prime (Zing)](https://www.g2.com/products/azul-platform-prime-zing/reviews) A truly superior Java platform that can cut your infrastructure costs in half. Azul Platform Prime turbocharges the performance and scalability of your Java ecosystem with a hyper-optimized runtime that maximizes performance while driving down infrastructure costs. More Performance Get more transactions from the same hardware and accelerate Java performance, even as loads increase. More Savings Slash capital expenses for servers by as much as 50%, cut operating expenses for cloud services (with no over-provisioning), and drive continuous value. More Happy Users Maintain consistent response times, reduce system stalls, and provide better services—all with less infrastructure. **Average Rating:** 4.1/5.0 **Total Reviews:** 14 **How Do G2 Users Rate Azul Platform Prime (Zing)?** - **Ease of Use:** 8.6/10 (Category avg: 9.2/10) **Who Is the Company Behind Azul Platform Prime (Zing)?** - **Seller:** [Azul Systems](https://www.g2.com/sellers/azul-systems) - **Year Founded:** 2002 - **HQ Location:** Sunnyvale, CA - **Twitter:** @AzulSystems (4,175 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/9899/ (556 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 43% Mid-Market, 36% Enterprise #### What Are Recent G2 Reviews of Azul Platform Prime (Zing)? **"[Managing Zing by Systems Engineers](https://www.g2.com/survey_responses/azul-platform-prime-zing-review-1805890)"** **Rating:** 4.0/5.0 stars *— Luke B.* [Read full review](https://www.g2.com/survey_responses/azul-platform-prime-zing-review-1805890) --- **"[It has been an awesome experience. ](https://www.g2.com/survey_responses/azul-platform-prime-zing-review-1768311)"** **Rating:** 5.0/5.0 stars *— Mou N.* [Read full review](https://www.g2.com/survey_responses/azul-platform-prime-zing-review-1768311) --- #### What Are G2 Users Discussing About Azul Platform Prime (Zing)? - [What is Azul Platform Prime used for?](https://www.g2.com/discussions/what-is-azul-platform-prime-used-for) ### 8. [Eclipse Temurin](https://www.g2.com/products/eclipse-temurin/reviews) Eclipse Temurin is an open-source Java SE runtime that provides high-performance, cross-platform binaries suitable for enterprise applications. Built upon the OpenJDK, Temurin is Java SE TCK certified and AQAvit verified, ensuring compatibility and reliability across the Java ecosystem. Key Features and Functionality: - Cross-Platform Support: Temurin offers consistent builds across various operating systems, including Linux, Windows, macOS, AIX, Solaris, and Docker, facilitating seamless deployment in diverse environments. - Enterprise-Ready Performance: The runtime is rigorously tested for stability and optimized for high performance, making it suitable for mission-critical enterprise applications. - Open Source Licensing: Temurin is available under open-source licenses, including the Apache License 2.0 and the Eclipse Public License 2.0, allowing for cost-effective adoption without licensing fees. - Security and Compliance: Each release undergoes comprehensive testing, including the AQAvit quality verification suite, to ensure security and compliance with Java SE standards. Primary Value and User Solutions: Eclipse Temurin addresses the need for a secure, high-quality, and vendor-neutral Java runtime. By offering a free-to-use, enterprise-ready solution, it enables organizations to reduce costs associated with proprietary Java runtimes while maintaining performance and reliability. Its cross-platform compatibility and rigorous testing make it a dependable choice for developers seeking a robust Java runtime for their applications. **Average Rating:** 4.3/5.0 **Total Reviews:** 2 **How Do G2 Users Rate Eclipse Temurin?** - **Cloud Native:** 7.5/10 (Category avg: 8.5/10) - **Migration:** 9.2/10 (Category avg: 9.0/10) - **Issue Resolution:** 9.2/10 (Category avg: 8.7/10) - **Ease of Use:** 10.0/10 (Category avg: 9.2/10) **Who Is the Company Behind Eclipse Temurin?** - **Seller:** [ADOPTIUM](https://www.g2.com/sellers/adoptium) - **HQ Location:** N/A - **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®) **Who Uses This Product?** - **Company Size:** 100% Small-Business #### What Are Recent G2 Reviews of Eclipse Temurin? **"[Best Open Source IDE with great user friendly layout](https://www.g2.com/survey_responses/eclipse-temurin-review-11414646)"** **Rating:** 5.0/5.0 stars *— Ajeet Y.* [Read full review](https://www.g2.com/survey_responses/eclipse-temurin-review-11414646) --- ### 9. [Alibaba Dragonwell](https://www.g2.com/products/alibaba-dragonwell/reviews) Alibaba Dragonwell is Alibaba's in-house implementation of OpenJDK, tailored to optimize Java applications across extensive server infrastructures. Designed for large-scale e-commerce, financial, and logistics systems, Dragonwell enhances performance and scalability for distributed Java applications. It offers both Standard and Extended editions, with the latter providing additional optimizations for cloud environments. Dragonwell supports multiple JDK versions, including 8, 11, 17, and 21, and is compatible with Linux and Windows operating systems. Key Features and Functionality: - Standard Edition: Incorporates upstream OpenJDK enhancements, including bug fixes, security patches, and tool support. - Extended Edition: Builds upon the Standard Edition with additional cloud environment optimizations, extensively utilized in Alibaba's production settings. - Elastic Heap: Reduces memory consumption in microservices by enabling dynamic memory allocation, allowing for efficient memory reuse. - JWarmup: Decreases application warm-up time by dynamically pre-compiling Java code, enhancing delivery efficiency and reducing CPU load during just-in-time compilation. - Multi-Tenancy Support: Facilitates the consolidation of microservices, improving deployment density and Remote Procedure Call efficiency. - Wisp Coroutines: Enhances microservice throughput by providing lightweight concurrency mechanisms. Primary Value and User Solutions: Alibaba Dragonwell addresses the challenges of deploying and managing large-scale Java applications by offering a robust, optimized JDK tailored for high-performance and scalable environments. Its cloud-centric enhancements, such as Elastic Heap and JWarmup, enable businesses to reduce resource consumption and improve application responsiveness. By supporting multiple JDK versions and operating systems, Dragonwell ensures compatibility and flexibility for diverse deployment scenarios. Its commitment to integrating with the OpenJDK community ensures that users benefit from both Alibaba's innovations and the broader Java ecosystem's advancements. **Who Is the Company Behind Alibaba Dragonwell?** - **Seller:** [Alibaba](https://www.g2.com/sellers/alibaba) - **HQ Location:** Hangzhou - **Twitter:** @alibaba_cloud (1,189,812 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/1218665/ (5,110 employees on LinkedIn®) - **Ownership:** BABA - **Total Revenue (USD mm):** $509,711 ### 10. [GraalVM](https://www.g2.com/products/graalvm/reviews) GraalVM is a high-performance runtime, that provides significant improvements in application performance and efficiency. It accelerates application performance while consuming fewer resources; providing the best solution for building microservices, on-premises and in the cloud. It offers a universal virtual machine for running applications written in JavaScript, Python, Ruby, R, JVM-based languages like Java, Scala, Groovy, Kotlin, Clojure, and LLVM-based languages such as C and C++. It removes the isolation between programming languages and enables interoperability in a shared runtime. It can run either standalone or in the context of OpenJDK, Node.js or Oracle Database **Who Is the Company Behind GraalVM?** - **Seller:** [Oracle](https://www.g2.com/sellers/oracle) - **Year Founded:** 1977 - **HQ Location:** Austin, TX - **Twitter:** @Oracle (827,997 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/1028/ (208,078 employees on LinkedIn®) - **Ownership:** NYSE:ORCL **Who Uses This Product?** - **Company Size:** 100% Small-Business #### What Are Recent G2 Reviews of GraalVM? **"[GraalVM - Reliable and Best VM for Java Developers](https://www.g2.com/survey_responses/graalvm-review-4341311)"** **Rating:** 5.0/5.0 stars *— Bidyut Jyoti S.* [Read full review](https://www.g2.com/survey_responses/graalvm-review-4341311) --- #### What Are G2 Users Discussing About GraalVM? - [What is GraalVM used for?](https://www.g2.com/discussions/what-is-graalvm-used-for) ### 11. [IBM Semeru Runtimes](https://www.g2.com/products/ibm-semeru-runtimes/reviews) IBM Semeru Runtimes are no-cost, high-performance Java runtime environments designed to develop and run Java applications efficiently across diverse platforms, including on-premises, public cloud, and container orchestrators like Kubernetes and OpenShift. By integrating OpenJDK class libraries with the Eclipse OpenJ9 Java Virtual Machine (JVM, Semeru Runtimes offer rapid startup times, reduced memory usage, and robust performance, making them ideal for cloud-native and containerized applications. Key Features and Functionality: - OpenJDK Integration: Utilizes OpenJDK class libraries, ensuring compatibility with Java SE standards. - Eclipse OpenJ9 JVM: Employs the OpenJ9 JVM, optimized for fast startup and low memory consumption, enhancing performance in cloud and container environments. - Cross-Platform Support: Available on multiple hardware and software platforms, including Linux, Windows, macOS, AIX, and z/OS, supporting architectures like x64, ppc64le, ppc64, s390x, and aarch64. - Long-Term Support (LTS: Provides LTS versions such as Java 8, 11, and 17, ensuring stability and ongoing updates. - FIPS 140-3 Certified Cryptography: Includes NIST-certified FIPS 140-3 cryptographic modules, meeting stringent security standards for sensitive applications. - Flexible Licensing Options: Offers two editions: - Open Edition: Free to use under an open-source license (GPLv2+Classpath Exception. - Certified Edition: Java SE TCK-certified with an IBM license, suitable for enterprises requiring certified environments. Primary Value and Problem Solved: IBM Semeru Runtimes address the need for efficient, secure, and cost-effective Java runtime environments in modern, hybrid cloud infrastructures. By delivering rapid startup times and reduced memory usage through the OpenJ9 JVM, they enhance application performance and resource utilization. The inclusion of FIPS 140-3 certified cryptography ensures compliance with rigorous security standards, making Semeru Runtimes a reliable choice for enterprises aiming to deploy Java applications across diverse and secure environments. **Who Is the Company Behind IBM Semeru Runtimes?** - **Seller:** [IBM](https://www.g2.com/sellers/ibm) - **Year Founded:** 1911 - **HQ Location:** Armonk, New York, United States - **Twitter:** @IBMSecurity (74,660 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/1009/ (328,202 employees on LinkedIn®) - **Ownership:** SWX:IBM ### 12. [Kunpeng Devkit](https://www.g2.com/products/kunpeng-devkit/reviews) **Who Is the Company Behind Kunpeng Devkit?** - **Seller:** [Huawei Technologies](https://www.g2.com/sellers/huawei-technologies) - **Year Founded:** 1987 - **HQ Location:** Shenzhen, China - **Twitter:** @HuaweiEnt (411,859 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/3014/ (131,006 employees on LinkedIn®) ### 13. [Liberica JDK Embedded](https://www.g2.com/products/liberica-jdk-embedded/reviews) Java runtime for your embedded systems Full functionality of Java™ and enhanced ARM performance and security. Embedded devices are often built to fulfill a single purpose and with the lower cost of production in mind. The runtime for such systems requires specific properties: — Lower memory footprint to take less space on the limited memory available — Security and stability for flawless app execution — Multi-platform compatibility for easy development — Enhanced performance on the low-performing system components We built Liberica for embedded to give you the full functionality of the Java programming language with enhanced performance and security. **Who Is the Company Behind Liberica JDK Embedded?** - **Seller:** [BellSoft](https://www.g2.com/sellers/bellsoft) - **Year Founded:** 2017 - **HQ Location:** San Jose, California, United States - **Twitter:** @bellsoftware (4,107 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/bell-sw (72 employees on LinkedIn®) - **Phone:** +1 (702) 2135959 ### 14. [Mandrel](https://www.g2.com/products/mandrel/reviews) Mandrel: A Specialized Distribution of GraalVM for Quarkus Mandrel is a tailored distribution of GraalVM, specifically optimized for Quarkus applications. It focuses on the `native-image` component, enabling developers to compile Java applications into lean, native executables that are platform-dependent and ideal for cloud-native deployments. By streamlining GraalVM to concentrate solely on native image generation, Mandrel offers a more efficient and focused toolset for Quarkus users. Key Features and Functionality: - Native Image Compilation: Mandrel provides the capability to compile Java applications into native executables, resulting in faster startup times and reduced memory consumption compared to traditional JVM applications. - Integration with Quarkus: Designed with Quarkus in mind, Mandrel ensures seamless compatibility and optimized performance for Quarkus-based applications. - Simplified Distribution: By excluding unnecessary components like polyglot support and the Truffle framework, Mandrel offers a lightweight distribution focused solely on native image generation. - Upstream OpenJDK Compatibility: Mandrel utilizes upstream OpenJDK, aligning with Red Hat's commitment to open-source standards and ensuring robust support and stability. Primary Value and User Benefits: Mandrel addresses the need for efficient native compilation in Java applications, particularly for those built with Quarkus. By providing a streamlined and specialized toolset, it enables developers to create native executables that start faster and consume less memory, which is crucial for cloud-native environments and containerized deployments. This specialization not only enhances application performance but also simplifies the development and deployment process for Quarkus users. **Who Is the Company Behind Mandrel?** - **Seller:** [Quarkus](https://www.g2.com/sellers/quarkus) - **Twitter:** @QuarkusIO (20,673 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/quarkusio ### 15. [OpenLogic OpenJDK Builds](https://www.g2.com/products/openlogic-openjdk-builds/reviews) OpenLogic OpenJDK Builds provide free, enterprise-grade distributions of OpenJDK, offering a reliable and secure alternative to proprietary Java platforms. These builds are fully compliant with Java SE specifications and are available for Linux, Windows, and macOS. OpenLogic ensures that all JDKs and JREs undergo rigorous in-house testing to validate execution, with quarterly updates and critical security patches delivered on-demand. Key Features and Functionality: - Cross-Platform Compatibility: Distributions are available for Linux, Windows, and macOS, ensuring broad usability. - Compliance and Verification: All builds adhere to Java SE specifications and are validated through comprehensive in-house testing. - Regular Updates: Quarterly releases with critical security patches provided as needed to maintain system integrity. - Comprehensive Support: Beyond their own OpenJDK builds, OpenLogic offers commercial support for all Java distributions, including AdoptOpenJDK, IBM, and Oracle's Java. This support encompasses security patches, bug fixes, and guidance on Java and JVM usage and administration. Primary Value and User Solutions: OpenLogic OpenJDK Builds address the challenges organizations face with Java licensing changes and the need for dependable, cost-effective Java solutions. By providing free, fully compliant OpenJDK distributions with optional commercial support, OpenLogic enables businesses to reduce total cost of ownership, simplify issue resolution, and confidently deploy open source Java in critical systems. This approach allows organizations to consolidate support vendors, streamline technology stack management, and receive unbiased innovation guidance. **Who Is the Company Behind OpenLogic OpenJDK Builds?** - **Seller:** [Perforce](https://www.g2.com/sellers/perforce) - **Year Founded:** 1995 - **HQ Location:** Minneapolis, MN - **Twitter:** @perforce (5,090 Twitter followers) - **LinkedIn® Page:** https://www.linkedin.com/company/perforce/ (2,034 employees on LinkedIn®) ## What Is Java Development Kit (JDK) Distributions? [Application Development Software](https://www.g2.com/categories/application-development) --- ## What Are the Most Common Questions About Java Development Kit (JDK) Distributions? *AI-generated · Last updated: June 3, 2026* ### JDK options for enterprise Java development and cloud deployment to support growing teams with tools According to verified users, teams evaluating JDK distributions for enterprise development and cloud deployment consistently focus on long-term support, regular security updates, stable performance, and predictable cross-platform behavior. Recent reviewers describe using these distributions across development, testing, staging, and production to reduce migration friction and avoid licensing concerns. Cloud-fit also matters: users call out smoother operation in containerized environments, support for Docker and Kubernetes workflows, and easier alignment with AWS-based deployments. For growing teams, buyers also watch for setup simplicity, documentation quality, and whether the distribution supports reliable upgrades without adding operational complexity or compliance risk. ### Java Development Kit JDK Distributions Runtimes with performance monitoring and optimization tools to identify the best fit for complex According to verified users, performance is usually judged less by dashboards and more by runtime consistency, image efficiency, and operational simplicity. Reviews mention strong results from distributions that keep Java applications stable under production workloads, support frequent patching, and behave predictably across platforms. Some buyers specifically value lightweight container images, faster scaling, and smoother builds for Spring Boot and microservices. At the same time, reviewers note that built-in monitoring and optimization capabilities are uneven across options, so teams may need external tooling for deeper tuning. In practice, the best fit for complex environments is often the one that balances reliable runtime behavior, maintainable updates, and fewer deployment surprises. ### Java Development Kit JDK Distributions Platforms with long-term support and frequent security patch cycles to identify the best fit According to verified users, long-term support and frequent security patch cycles are among the clearest decision factors when comparing JDK distributions. Buyers repeatedly highlight the value of production-ready builds that stay current with security fixes, reduce operational risk, and help teams remain compliant over time. Reviews also show that update cadence matters alongside stability: teams want patches that arrive reliably without creating compatibility headaches in existing Java applications. In recent feedback, the strongest-fit platforms are described as those that combine dependable LTS coverage, consistent runtime behavior, and straightforward deployment across local, cloud, and containerized environments, especially for teams supporting enterprise systems over multiple release cycles. ### What are the most important features in jdk distributions According to verified users, the most important features in jdk distributions are long-term support, timely security updates, stable production performance, and compatibility with existing Java applications. Buyers also value smooth setup, cross-platform consistency, and confidence that the runtime will behave the same across development and production environments. In more cloud-focused use cases, reviews emphasize lightweight container images, dependable Docker support, and alignment with CI/CD workflows. Documentation quality and migration ease also come up often, especially for teams moving away from licensing-heavy options. Overall, users look for distributions that reduce maintenance effort, simplify compliance, and provide a secure, predictable foundation for Java development and deployment. ### How do teams use Java Development Kit (JDK) distributions for Docker and Kubernetes environments G2 reviewers mention that teams use JDK distributions in Docker and Kubernetes environments to keep Java services consistent from local development through staging and production. Recent reviews describe container-focused usage around Spring Boot services, microservices, CI/CD pipelines, and cloud deployments where smaller images and reliable startup behavior matter. Buyers also look for distributions that make base-image changes straightforward, support repeatable builds, and reduce friction when scaling services across environments. Security patching is another recurring theme, since containerized teams want updated runtimes they can roll out quickly without disrupting workloads. In practice, reviewers value JDK options that combine lightweight packaging, stable runtime behavior, and easy integration into existing delivery pipelines.