Tool profile
Eclipse IDE: cost, fit and limits
Eclipse IDE is a free, open source integrated development environment from the Eclipse Foundation, built around Java tooling and a plugin platform, and licensed under the Eclipse Public License 2.0 for individual and commercial use.
What to know first
Eclipse IDE is a Java-first IDE with a large plugin ecosystem, free and open source under the Eclipse Public License 2.0. The homepage lists Java 26 support and a wizard for compact source files in Java 25 and later projects, and it names no AI feature. Support is a separate offer sustained through the Eclipse Foundation rather than part of the free download.
Eclipse IDE at a glance
| Maker | Eclipse Foundation, Not stated on the vendor pages |
|---|---|
| Free plan | Yes |
| Entry price | Free |
| API access | No |
| Category | Best AI Code Editors in 2026, rank 11 of 13 |
| Website | eclipseide.org |
Who Eclipse IDE is best for
Java developers on current releases
The homepage lists Java 26 support and a wizard for compact source files for Java 25 and later projects, so new language releases are covered early.
Teams that extend their IDE
Eclipse is a plugin platform with a large variety of extensions, which is how other languages or tools get added.
Budget conscious organizations
The Eclipse Public License 2.0 makes it free and open source, with paid support as a separate offer, so license costs for a large team stay at zero.
Eclipse IDE plans and pricing
| Plan | Price | What it includes |
|---|---|---|
| Eclipse IDE | Free | Free and open source under the Eclipse Public License 2.0; support is offered separately through the Eclipse Foundation. |
Checked November 2026.
What Eclipse IDE does
- Java 26 tooling
- Java 26 support and Java tooling lead the feature list on the homepage, which shows the IDE keeping pace with new language releases and the needs of Java developers.
- Compact source file wizard
- A wizard creates compact source files for Java 25 and later projects, which helps with small programs, teaching and quick experiments that do not need a full project structure.
- Search overlay and markers
- Regular expression content assist works in the find and replace overlay, and a search filter covers the Problems, Tasks and Bookmarks views, which helps when working in large projects.
- Plugin platform
- A large variety of extensions plug into the IDE, so features beyond the core come from the plugin catalog, including support for languages other than Java and for other tools.
How Eclipse IDE handles your data
The Eclipse IDE homepage describes the product and its license and does not discuss telemetry, AI data handling, retention, hosting region or certifications. No AI feature is named, so there is no assistant data flow to explain. The Eclipse Foundation contact page was read for the maker; the vendor's policy on data was not checked for this, and any plugin you install brings its own terms.
Where Eclipse IDE falls short in practice
- Java-first. Tooling centers on Java, so other languages depend on plugins whose quality, upkeep and fit with the rest of the IDE vary from one plugin to another.
- No named AI. No AI feature is named on the vendor pages, so an assistant would be a plugin that you evaluate and keep updated separately from the IDE itself.
- Support is separate. The homepage describes support as a separate offer, so help beyond the community needs a further arrangement and its price is not shown on the pages we read.
Alternatives to Eclipse IDE
Eclipse IDE: common questions
Is Eclipse IDE free?
Yes. The homepage says Eclipse IDE is free and open source under the Eclipse Public License 2.0. Support is a separate offer sustained through the Eclipse Foundation, so organizations that need a support contract pay for that, not for the IDE itself.
Does Eclipse IDE have AI features?
No AI feature is named on the Eclipse IDE homepage. It lists Java 26 support, a wizard for compact source files, search improvements and a large plugin catalog. An AI assistant would have to come from a plugin, which the pages we read do not name.
Which Java versions does Eclipse IDE support?
The homepage lists Java 26 support and a wizard to create compact source files for Java 25 and later projects. It does not give a full compatibility table on the page we read, so check the downloads page for older Java versions.
Can Eclipse IDE handle languages other than Java?
The tooling is Java first, and the homepage describes a plugin platform with a large variety of extensions. Other languages therefore depend on plugins, and quality varies by plugin. The pages we read do not list specific language plugins by name.
Who is behind Eclipse IDE?
The maker is the Eclipse Foundation, whose contact page we read. The homepage says the project is sustained through the Foundation. Its headquarters country is not stated on the vendor pages we read, so we do not state one here.