Eclipse IDE for Java Developers vs IntelliJ IDEA: is it a good Linux alternative?

Eclipse IDE for Java Developers as a Linux alternative to IntelliJ IDEA

Updated October 21, 2026

Our verdict

Eclipse is a solid, free alternative for developers who prioritize standard Java and enterprise tooling over modern Kotlin-first workflows. It handles large codebases well with its mature refactoring tools and integrated Git client. However, if your project relies heavily on Kotlin, you will struggle because Eclipse's Kotlin support is a third-party plugin, not a first-class citizen like in IntelliJ. For pure Java development, Eclipse is a viable, cost-effective choice. For mixed Java/Kotlin teams, it is a significant step down in developer experience.

Feature parity75%

License: EPL-2.0
Price: Free
Latest version: 4.41 (September 9, 2026)
Rating: —

Install Eclipse IDE for Java Developers Website ↗

Eclipse IDE for Java Developers screenshot

Java Development Tools

What works the same

Integrated debugger for JVM applications with advanced profiling capabilities
Comprehensive code refactoring and static analysis tools
Built-in Git client for version control integration
Support for Maven and Gradle project management
Extensive plugin marketplace for extending IDE functionality

What is different

Kotlin support in Eclipse is a third-party plugin, whereas IntelliJ has first-class, native Kotlin integration
IntelliJ IDEA Ultimate offers deeper database and web framework support out-of-the-box
Eclipse has a steeper learning curve and less intuitive UI compared to IntelliJ's streamlined interface
IntelliJ provides superior code completion and inference for complex Java generics

Opening your IntelliJ IDEA files

Eclipse cannot directly open IntelliJ IDEA project files (.idea folder, .iml files). You must recreate the project structure in Eclipse by importing the source code and build files (pom.xml or build.gradle). The .classpath and .project files generated by Eclipse are specific to its workspace and are not compatible with IntelliJ. You will need to configure your build tools manually in Eclipse to match your existing setup.

Switching from IntelliJ IDEA to Eclipse IDE for Java Developers, step by step

Export your source code from the IntelliJ project directory
Create a new Java Project in Eclipse and import the source folders
Configure the build path to point to your Maven or Gradle files
Set up your JDK and JRE in Eclipse's Preferences
Import your Git repository using Eclipse's built-in Git client
Install necessary plugins for specific frameworks or languages

Key features of Eclipse IDE for Java Developers

Native Java IDE with code completion and refactoring
Integrated Git client for version control
Built-in Maven and Gradle project support
Polyglot support for JavaScript, C/C++, and PHP
Extensive plugin marketplace for additional tools
Cross-platform compatibility including Linux, Windows, and macOS
Advanced debugging and profiling capabilities

How to install Eclipse IDE for Java Developers on Linux

Flatpak (Flathub)flatpak install flathub org.eclipse.Java

Frequently asked questions

Does Eclipse support Kotlin as well as IntelliJ?

No, Eclipse supports Kotlin via a third-party plugin. It works, but it lacks the seamless integration, inference, and first-class support found in IntelliJ IDEA.

Is Eclipse free for commercial use?

Yes, Eclipse is free and open-source under the EPL-2.0 license, making it suitable for both personal and commercial use without licensing fees.

Can I use the same plugins in Eclipse and IntelliJ?

No, the plugin ecosystems are completely different. Plugins written for IntelliJ are not compatible with Eclipse, and vice versa. You will need to find Eclipse-specific alternatives for any IntelliJ plugins you rely on.