# Best Java Development Tools

  *By [Adam Crivello](https://research.g2.com/insights/author/adam-crivello)*

   Java Development Tools are files, plugins, and other offerings which modify and enhance the default Java development process. These tools can range from add-ons that automate some element of Java development, to full distributions of Java runtime environments that have been altered or iterated upon for increased useability.

Java developers use Java development tools to make their work more efficient, remove unwanted elements, and cater their development environment to their desired use case.

To qualify for inclusion in the Java Development Tools category, a product must:

- Integrate with or provide a custom version of a Java development platform
- Provide distinct functionality or modify the existing functionality of vanilla Java
- Not qualify for any other existing G2 categories





## Category Overview

**Total Products under this Category:** 20


## Trust & Credibility Stats

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 100+ Authentic Reviews
- 20+ 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.


## Best Java Development Tools At A Glance

- **Leader:** [Thymeleaf](https://www.g2.com/products/thymeleaf/reviews)
- **Highest Performer:** [Quartz Job Scheduler](https://www.g2.com/products/quartz-job-scheduler/reviews)
- **Easiest to Use:** [Thymeleaf](https://www.g2.com/products/thymeleaf/reviews)
- **Top Trending:** [JRebel](https://www.g2.com/products/jrebel/reviews)
- **Best Free Software:** [JRebel](https://www.g2.com/products/jrebel/reviews)


## Top-Rated Products (Ranked by G2 Score)
  ### 1. [Thymeleaf](https://www.g2.com/products/thymeleaf/reviews)
  Thymeleaf is a modern server-side Java template engine for both web and standalone environments.


  **Average Rating:** 4.0/5.0
  **Total Reviews:** 48

**User Satisfaction Scores:**

- **Ease of Use:** 8.7/10 (Category avg: 8.5/10)
- **Quality of Support:** 7.8/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [Thymeleaf](https://www.g2.com/sellers/thymeleaf)
- **HQ Location:** N/A
- **Twitter:** @thymeleaf (3,203 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Who Uses This:** Software Engineer
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 69% Small-Business, 18% Mid-Market


  ### 2. [JRebel](https://www.g2.com/products/jrebel/reviews)
  JRebel is a productivity tool that allows developers to reload code changes instantly. You just save, refresh, and see the changes right away. To achieve this, JRebel does not wrap classloaders around classes, but patches existing classloaders to make classes loaded through them reloadable using instrumentation. JRebel tracks changes that you make in your workspace, and updates them as you go, so you can keep focused on the code and stay in the zone without interruption. As a JVM plugin, JRebel supports a majority of real-world enterprise Java stacks and is easy to install into existing development environments. With support for over 100 frameworks, and many popular application servers, IDEs, and JVM languages, JRebel works out of the box for almost every stack.


  **Average Rating:** 4.1/5.0
  **Total Reviews:** 19

**User Satisfaction Scores:**

- **Ease of Use:** 8.9/10 (Category avg: 8.5/10)
- **Quality of Support:** 8.6/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [Perforce](https://www.g2.com/sellers/perforce)
- **Year Founded:** 1995
- **HQ Location:** Minneapolis, MN
- **Twitter:** @perforce (5,092 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/perforce/ (2,032 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 47% Mid-Market, 37% Enterprise


  ### 3. [Quartz Job Scheduler](https://www.g2.com/products/quartz-job-scheduler/reviews)
  Quartz is a richly featured, open source job scheduling library that can be integrated within virtually any Java application - from the smallest stand-alone application to the largest e-commerce system.


  **Average Rating:** 4.0/5.0
  **Total Reviews:** 19

**User Satisfaction Scores:**

- **Ease of Use:** 8.6/10 (Category avg: 8.5/10)
- **Quality of Support:** 8.8/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [The Apache Software Foundation](https://www.g2.com/sellers/the-apache-software-foundation)
- **Year Founded:** 1999
- **HQ Location:** Wakefield, MA
- **Twitter:** @TheASF (66,116 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/215982/ (2,408 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Top Industries:** Computer Software, Information Technology and Services
  - **Company Size:** 50% Small-Business, 35% Mid-Market


  ### 4. [MagicDraw](https://www.g2.com/products/magicdraw/reviews)
  MagicDraw is the award-winning business process, architecture, software and system modeling tool with teamwork support. Designed for Business Analysts, Software Analysts, Programmers, QA Engineers, and Documentation Writers, this dynamic and versatile development tool facilitates analysis and design of Object Oriented (OO) systems and databases. It provides the industry&#39;s best code engineering mechanism (with full round-trip support for Java, C++, C#, CL (MSIL) and CORBA IDL programming languages), as well as database schema modeling, DDL generation and reverse engineering facilities.


  **Average Rating:** 4.2/5.0
  **Total Reviews:** 17

**User Satisfaction Scores:**

- **Ease of Use:** 7.6/10 (Category avg: 8.5/10)
- **Quality of Support:** 8.3/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [NoMagic](https://www.g2.com/sellers/nomagic)
- **Year Founded:** 1995
- **HQ Location:** Allen, TX
- **Twitter:** @3dscatia (33,827 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/no-magic-inc./ (166 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Company Size:** 56% Enterprise, 22% Mid-Market


  ### 5. [Rocket Visual COBOL](https://www.g2.com/products/rocket-visual-cobol/reviews)
  Visual COBOL provides COBOL development and integration tools—in your choice of Visual Studio or Eclipse—that offer programmers an unrivaled development experience.


  **Average Rating:** 4.1/5.0
  **Total Reviews:** 13

**User Satisfaction Scores:**

- **Ease of Use:** 8.1/10 (Category avg: 8.5/10)
- **Quality of Support:** 7.6/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [Rocket Software](https://www.g2.com/sellers/rocket-software)
- **Company Website:** https://www.rocketsoftware.com/
- **Year Founded:** 1990
- **HQ Location:** Waltham, MA
- **Twitter:** @Rocket (3,534 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/10127/ (4,314 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Company Size:** 54% Enterprise, 23% Mid-Market


  ### 6. [Webswing Software](https://www.g2.com/products/webswing-software/reviews)
  Webswing is a web server that allows you to run any Java Swing application inside your web browser, using only pure HTML5.


  **Average Rating:** 4.9/5.0
  **Total Reviews:** 4

**User Satisfaction Scores:**

- **Ease of Use:** 10.0/10 (Category avg: 8.5/10)
- **Quality of Support:** 10.0/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [Webswing Ltd.](https://www.g2.com/sellers/webswing-ltd)
- **Year Founded:** 2015
- **HQ Location:** Dun Laoghaire, IE
- **LinkedIn® Page:** https://www.linkedin.com/company/webswing-limited (14 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Company Size:** 50% Small-Business, 25% Enterprise


  ### 7. [Eclipse Web Tools Platform](https://www.g2.com/products/eclipse-web-tools-platform/reviews)
  The Eclipse Web Tools Platform (WTP) project extends the Eclipse platform with tools for developing Web and Java EE applications. It includes source and graphical editors for a variety of languages, wizards and built-in applications to simplify development, and tools and APIs to support deploying, running, and testing apps.


  **Average Rating:** 4.0/5.0
  **Total Reviews:** 3

**User Satisfaction Scores:**

- **Ease of Use:** 5.8/10 (Category avg: 8.5/10)
- **Quality of Support:** 6.7/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [Eclipse Foundation](https://www.g2.com/sellers/eclipse-foundation)
- **Year Founded:** 2004
- **HQ Location:** Brussels, Belgium
- **Twitter:** @EclipseFdn (31,080 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/34093/ (237 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Company Size:** 67% Enterprise, 33% Small-Business


  ### 8. [Diffblue Cover](https://www.g2.com/products/diffblue-cover/reviews)
  Diffblue Cover is an AI agent for automating the generation, maintenance and management of Java unit tests. Unlike LLM-based coding assistants that help write individual tests when prompted, Diffblue Cover uses reinforcement learning (RL) to autonomously produce comprehensive coverage across entire codebases, perfect for meeting coverage gates, catching regressions, and shipping with confidence.   Proven at Enterprise Scale: \* US Aerospace and Defense company: 1M lines of code coverage initiative \* Goldman Sachs: From 36% to 72% in less than 10% of the time it would take to do it manually \* US Pension &amp; Retirement System: 70% unit coverage without manual effort \* Handles what others can&#39;t: Complex Spring contexts, Guice, legacy singletons, millions of lines of codeLOC without OOM errors, tests are guaranteed to compile and pass Diffblue Cover augments developers by automating away tedious and time-consuming aspects of the Java unit test generation process.   Documents actual behavior:   Unit tests reveal what your code really does (not what comments claim), essential for understanding legacy systems and inherited codebases.   Enables rapid coverage increases:   Creates unit tests in bulk, covering all relevant branches to rapidly improve coverage and enable teams to reach and maintain coverage goals. Handles enterprise complexity:   Works with complex Spring contexts, Mockito configurations, and legacy patterns that cause other tools to fail with OOM errors.   Enables safe refactoring:   Create regression safety net before Java version upgrades, cloud migrations, or modernization initiatives. Know what breaks before production.   Secures inherited codebases:   Generate comprehensive test suites for acquired or legacy code with 0% coverage, creating a safety net for integration and modification.   Unblocks CI/CD pipelines:   Rapidly increase coverage to meet gates blocking your deployments, achieving in days what would take months manually. Use Cases: Accelerate Development: ✓&amp;nbsp;Sprint velocity improvement - Stop spending 30-50% of time writing tests  ✓&amp;nbsp;New feature protection - Ensure all new code has regression tests  ✓&amp;nbsp;Refactoring confidence - Safe changes with comprehensive test coverage  ✓&amp;nbsp;Code review acceleration - PRs include tests automatically Meet Requirements: ✓&amp;nbsp;Coverage gates and requirements - Achieve targets faster than manual writing ✓&amp;nbsp;Compliance mandates - SOC2/ISO/MRM requiring test evidence  ✓&amp;nbsp;Quality initiatives - Systematic improvement of test coverage  ✓&amp;nbsp;Technical debt reduction - Address testing gaps efficiently Enable Transformation: ✓&amp;nbsp;Java version upgrades - Test safety net for 8→11/17/21 migrations  ✓&amp;nbsp;Architecture modernization - Confidence to refactor and improve  ✓&amp;nbsp;Cloud migration - Ensure functionality during platform changes  ✓&amp;nbsp;M&amp;A integration - Quickly understand and test acquired code


  **Average Rating:** 3.9/5.0
  **Total Reviews:** 4

**User Satisfaction Scores:**

- **Ease of Use:** 8.3/10 (Category avg: 8.5/10)
- **Quality of Support:** 7.8/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [Diffblue](https://www.g2.com/sellers/diffblue)
- **Year Founded:** 2016
- **HQ Location:** Oxford, England, United Kingdom
- **Twitter:** @diffbluehq (1,506 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/diffblue/ (53 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Company Size:** 50% Mid-Market, 50% Small-Business


#### Pros & Cons

**Pros:**

- Ease of Use (4 reviews)
- Time-saving (4 reviews)
- Automation (3 reviews)
- Speed (3 reviews)
- Capabilities (2 reviews)

**Cons:**

- Testing Difficulties (3 reviews)
- Complexity (2 reviews)
- Difficult Learning Curve (2 reviews)
- Setup Difficulty (2 reviews)
- Bug Issues (1 reviews)

  ### 9. [Apache IvyDE](https://www.g2.com/products/apache-ivyde/reviews)
  Apache IvyDE is a Eclipse plugin designed to integrate Apache Ivy&#39;s dependency management into Eclipse.


  **Average Rating:** 3.5/5.0
  **Total Reviews:** 1

**User Satisfaction Scores:**

- **Ease of Use:** 10.0/10 (Category avg: 8.5/10)
- **Quality of Support:** 10.0/10 (Category avg: 8.6/10)


**Seller Details:**

- **Seller:** [The Apache Software Foundation](https://www.g2.com/sellers/the-apache-software-foundation)
- **Year Founded:** 1999
- **HQ Location:** Wakefield, MA
- **Twitter:** @TheASF (66,116 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/215982/ (2,408 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Company Size:** 100% Small-Business


  ### 10. [CODEMR](https://www.g2.com/products/codemr/reviews)
  CodeMR is an architectural software quality and static code analysis tool that supports multiple languages (Java, Scala, Kotlin, C++) and has integrations for multiple IDEs (Eclipse and IntelliJ). CodeMR visualizes code metrics and high level quality attributes (Coupling, Complexity, Size) for C++, Java and Kotlin and Scala projects in different views, such as Package Structure, TreeMap, Sunburst, Dependency and Graph Views. The graph visualization technique applied in CodeMR is simple yet intuitive. CodeMR has different filtering options and supports custom queries. It visualizes high-level Object Oriented quality attributes and low level metrics. Quality attributes are derived from the combinations of several metrics. You can also create different HTML reports for the project. With Community Edition you can extract up to 50 source files and 60 classes.


  **Average Rating:** 4.0/5.0
  **Total Reviews:** 1


**Seller Details:**

- **Seller:** [QualCode Ltd](https://www.g2.com/sellers/qualcode-ltd)
- **Year Founded:** 2017
- **HQ Location:** London, GB
- **LinkedIn® Page:** https://www.linkedin.com/company/codemr/ (1 employees on LinkedIn®)

**Reviewer Demographics:**
  - **Company Size:** 100% Mid-Market


  ### 11. [Arachnophilia](https://www.g2.com/products/arachnophilia/reviews)
  Arachnophilia is a Web page development workshop and general programming tool.




**Seller Details:**

- **Seller:** [Arachnoid.com](https://www.g2.com/sellers/arachnoid-com)
- **HQ Location:** N/A
- **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®)



  ### 12. [Asprise Software](https://www.g2.com/products/asprise-software/reviews)
  Asprise is a software development company that focuses on document imaging and OCR (optical character recognition) technologies. Based in Asia, Asprise offers SDK&#39;s (software development kits) and programming library APIs to international clients. Asprise Scanning and Image Capture SDK (previously known as &#39;JTwain&#39;) has been widely used by the financial industry to implement check scanning and document management systems. Asprise OCR SDK has also been highly sought after thanks to its high performance and royalty-free distribution model.




**Seller Details:**

- **Seller:** [Asprise Software](https://www.g2.com/sellers/asprise-software)
- **HQ Location:** N/A
- **LinkedIn® Page:** https://www.linkedin.com/company/asprise-scan-ocr/ (37 employees on LinkedIn®)



  ### 13. [Helium](https://www.g2.com/products/memoria-io-helium/reviews)
  Project Helium is a Java (JDK 24) microservice foundation designed to help teams move faster without compromising on quality. Whether you&#39;re launching a new product or modernizing legacy systems. It comes with modular integrations built for real-world backend systems—from environment configs and multi-tenant auth to observability and deployment pipelines. Features like TLS/mTLS, SSO, multi-OIDC provider support, and OpenTelemetry are included out of the box, making it easier to get production-ready infrastructure up and running quickly. It also supports LLM-based use cases through integration with LangChain4j, enabling teams to build AI-assisted features natively within Helidon services. Built on established patterns like Domain-Driven Design (DDD) and Hexagonal Architecture, it offers ready-to-use examples and a consistent layout that accelerate onboarding and promote long-term maintainability. Powered by Oracle Helidon SE 4—formerly Helidon Nima—Project Helium delivers unmatched performance, efficiency, and security through its lightweight runtime and virtual threads support.




**Seller Details:**

- **Seller:** [Memoria IO](https://www.g2.com/sellers/memoria-io)
- **Year Founded:** 2024
- **HQ Location:** Barcelona, ES
- **LinkedIn® Page:** https://www.linkedin.com/company/m-io/ (1 employees on LinkedIn®)



  ### 14. [InstallBuilder](https://www.g2.com/products/installbuilder/reviews)
  InstallBuilder is a multiplatform installer development tool that simplifies packaging and delivering installers for cross-platform software. Here are some key features: - Cross-Platform Support: InstallBuilder allows you to create dynamic, professional installers for Linux, Windows, Mac OS X, Solaris, and other platforms from a single project file and build environment. - Built-In Debugger: Easily troubleshoot your application installation process by identifying and correcting issues during installer development. You can view and interactively edit installer variables at runtim\ e, perform step-by-step execution, and recover from unexpected errors. - Auto-Update Functionality: Keep users running the latest version of your software by delivering updates directly to them. Regular updates enhance customer satisfaction and reduce support costs. - Language Independence: Install applications written in any language, including Java, PHP, Perl, Python, Ruby, C/C++, Flash, Flex, and .NET/Mono. - Optimized Installers: InstallBuilder generates smaller and faster installers compared to Java-based alternatives. It doesn’t require bundling a Java Runtime or self-extraction, reducing download, startup, and \ installation time. - Multiple Installation Modes: Deploy in any environment using GUI modes (native look-and-feel), text mode (console-based and remote installations), and silent/unattended mode for large-scale server deployment. - Desktop Integration: Provides native look and feel on Windows, OS X, KDE, and Gnome platforms. In summary, InstallBuilder streamlines the process of creating cross-platform installers and ensures efficient software distribution and update. Find out more on installbuilder.com




**Seller Details:**

- **Seller:** [Backstaff Software S.L.](https://www.g2.com/sellers/backstaff-software-s-l)
- **HQ Location:** N/A
- **Twitter:** @bitrock (226 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®)



  ### 15. [JobRunr](https://www.g2.com/products/jobrunr-jobrunr/reviews)
  JobRunr is an open-source Java library for task scheduling and distributed background job processing. It&#39;s an incredible tool that empowers developers to manage fire-and-forget, scheduled, or recurring tasks with an intuitive and scalable approach. With its seamless integration into Java applications via Java 8 lambdas, JobRunr makes executing jobs a breeze, ensuring optimal efficiency. KEY FEATURES Lambda-Based Simplicity - define background jobs using Java 8 lambdas, avoiding unnecessary complexity. Distributed Job Processing - execute jobs across multiple servers, ideal for distributed environments like Kubernetes. Failure Resilience - automatic retries ensure failed jobs are reattempted, maintaining system reliability. Built-In Dashboard - monitor, enqueue, or delete jobs with a user-friendly dashboard that offers transparency and control. Framework Compatibility - works effortlessly with Spring Boot, Quarkus, and Micronaut, enhancing flexibility for Java developers. Scalability - processes millions of jobs daily, ensuring adaptability to workloads of all sizes. BENEFITS FOR DEVELOPERS JobRunr empowers developers by providing: Modular Job Execution - define and trigger tasks as needed, improving code modularity. Resilient Operations - default automatic retries (up to 10 times) and cleanup of completed tasks ensure smooth operations. Improved Productivity - developers experience up to a 20% productivity boost thanks to JobRunr’s simplicity and effectiveness. ADVANTAGES OF JobRunr Pro While the open-source version suits most needs, JobRunr Pro delivers enterprise-grade capabilities: Enhanced Dashboards - advanced search and filtering with customizable columns. Unlimited Recurring Jobs - manage thousands of recurring tasks effortlessly. Rate Limiting - control job execution rates to prevent overloading external services. Workflows and Queues - build complex workflows with a fluent API and prioritize tasks based on urgency. Security Enhancements - includes user authentication and GDPR-compliant dashboards for enterprise readiness. REAL-WORLD APPLICATIONS JobRunr is widely used across industries: Healthcare - the company relies on JobRunr for asynchronous task processing and managing distributed medical imaging storage. Finance - a company unifies job processing with JobRunr, reducing processing times from hours to seconds. E-Commerce - a company schedules asynchronous jobs efficiently, eliminating the need for custom solutions. Government - streamlines batch processing, crisis communication, and task scheduling for government operations. SEAMLESS INTEGRATION JobRunr is an incredibly versatile tool that can integrate with any software architecture, whether monolithic or microservices-based. It supports leading SQL and NoSQL databases, ensuring compatibility with diverse development environments. WHY CHOOSE JobRunr? JobRunr is great when it comes to API, with an outstanding dashboard and flawless integration with Java frameworks. It&#39;s a game-changer, effortlessly simplifying job scheduling, doing away with the hassle of multiple tools, and ensuring unwavering reliability. Whether you&#39;re a developer, CTO, or operations manager, JobRunr is designed to meet your background processing needs while enabling scalability and operational efficiency.




**Seller Details:**

- **Seller:** [Rosoco](https://www.g2.com/sellers/rosoco)
- **HQ Location:** Cambodia
- **LinkedIn® Page:** http://www.linkedin.com/company/rosoco-ltd (5 employees on LinkedIn®)



  ### 16. [Liberica Native Image Kit](https://www.g2.com/products/liberica-native-image-kit/reviews)
  Liberica Native Image Kit (Liberica NIK) is based on GraalVM Open Source. Liberica NIK is a set of tools that converts Java applications into a fully compiled native executable ahead of time under the closed-world assumption with an almost instant startup time. Compatible with various platforms, including lightweight musl-based Alpine Linux, Liberica NIK optimizes resource consumption and minimizes the static footprint. Liberica Native Image Kit allows seamless polyglot projects, such as microservices in different programming languages.




**Seller Details:**

- **Seller:** [BellSoft](https://www.g2.com/sellers/bellsoft)
- **Year Founded:** 2017
- **HQ Location:** San Jose, California, United States
- **Twitter:** @bellsoftware (4,106 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/bell-sw (71 employees on LinkedIn®)
- **Phone:** +1 (702) 2135959



  ### 17. [Moderne](https://www.g2.com/products/moderne-moderne/reviews)
  Moderne is a developer collaboration platform for automated code refactoring and analysis at mass scale. The platform enables development teams to migrate, maintain, and secure source code with speed and accuracy across thousands of repositories at once. Why just scan for issues when you can find and fix all at once? Code remediations and upgrades that can take many months of manual work can be done in minutes. Why undergo manual, expensive impact analysis projects on your codebase? Automate data collection and visualization to understand your code like never before. Why be stuck with older, unsupported software components? Automate your migrations to give your business the agility and innovation it&#39;s been missing! The Moderne refactoring system also works with AI large language models (LLMs) to support mass-scale code transformation and analysis tasks—enabling greater efficiency and accuracy for using AI across large codebases. Moderne is the creator of the OpenRewrite automated code refactoring open source project, and scales OpenRewrite recipes across thousands of repositories and millions of lines of code.




**Seller Details:**

- **Seller:** [Moderne](https://www.g2.com/sellers/moderne)
- **Year Founded:** 2020
- **HQ Location:** Miami, US
- **LinkedIn® Page:** https://www.linkedin.com/company/moderneinc/ (53 employees on LinkedIn®)



  ### 18. [Perc](https://www.g2.com/products/ptc-perc/reviews)
  Perc provides embedded systems developers with all the benefits of the Java language and runtime, including memory safety, automatic garbage collection, multithreading, and a robust ecosystem, without sacrificing real-time determinism. It runs Java SE applications and libraries just like traditional Java, but it also provides tools for packaging Java classes and ahead-of-time compiled code into a custom executable for faster startup and reduced deployment footprint. The PVM Protect tool is an end-to-end security solution designed to safeguard Java applications from reverse engineering and tampering. It utilizes strong encryption and Trusted Platform Module (TPM) 2.0 hardware to protect application code, resources, and files, ensuring they are decrypted directly into RAM without exposing sensitive data. Perc is available for 32 and 64-bit Linux on Intel x86 and ARM processors.




**Seller Details:**

- **Seller:** [PTC](https://www.g2.com/sellers/ptc)
- **Year Founded:** 1985
- **HQ Location:** Boston, Massachusetts
- **Twitter:** @PTC (37,608 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/1935/ (8,226 employees on LinkedIn®)
- **Ownership:** NASDAQ: PTC



  ### 19. [XRebel](https://www.g2.com/products/xrebel/reviews)
  XRebel is a Java performance analysis and profiling tool designed to give developers real‑time insights into how their code behaves while they’re building it. It focuses on request‑based performance tracing, which makes it easier to spot slow database calls, problematic microservice interactions, and other bottlenecks early in development.




**Seller Details:**

- **Seller:** [Perforce](https://www.g2.com/sellers/perforce)
- **Year Founded:** 1995
- **HQ Location:** Minneapolis, MN
- **Twitter:** @perforce (5,092 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/perforce/ (2,032 employees on LinkedIn®)



  ### 20. [Zelix](https://www.g2.com/products/zelix/reviews)
  The Zelix KlassMaster Java obfuscator protects Java code from decompilation and reverse engineering.




**Seller Details:**

- **Seller:** [Zelix](https://www.g2.com/sellers/zelix)
- **HQ Location:** N/A
- **LinkedIn® Page:** https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps (1 employees on LinkedIn®)





## Parent Category

[Application Development Software](https://www.g2.com/categories/application-development)





