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Developer Tools · head to head

Eclipse IDE vs Glean

Eclipse IDE logo

Eclipse IDE

Developer Tools

Open-source, extensible IDE historically centered on Java development

From
Free
Free plan
Yes
Visit Eclipse IDEFull review
Glean logo

Glean

Business Intelligence

Work AI that Works

From
On request
Free plan
No
Visit GleanFull review

The short version

  • Eclipse IDE is free; Glean prices on request.
  • Where Eclipse IDE falls short: startup time and UI responsiveness lag behind newer editors like VS Code.
  • Where Glean falls short: no pricing published on website; enterprise sales model requires demo request.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Eclipse IDE and Glean actually diverge.

Attributes where Eclipse IDE and Glean differ
AttributeEclipse IDEGlean
Starting priceFreeOn request
Pricing modelOpen-sourceQuote
Free tierYesNo
PlatformsWindows, macOS, LinuxWeb
CategoryDeveloper ToolsBusiness Intelligence

Not yet recorded: founded for Glean.

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Eclipse IDE

  • Java Development Tools (JDT)
  • Plugin Architecture
  • Git Integration
  • Refactoring Tools
  • Workspace and Project Management

Only in Glean

Nothing recorded that Eclipse IDE does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Eclipse IDE

  • Enterprise Java application developmentnot Glean
  • Academic and educational programming coursesnot Glean
  • Extending the IDE for niche languages via pluginsnot Glean
  • Multi-module builds with Maven or Gradlenot Glean

Glean

  • Onboarding new employees across distributed teams to company knowledgenot Eclipse IDE
  • Maintaining centralized searchable intranet for compliance requirementsnot Eclipse IDE
  • Surfacing historical archived content for editorial and sales teamsnot Eclipse IDE
  • Creating AI agents through natural language without engineersnot Eclipse IDE
  • Reducing language model costs by filtering unnecessary datanot Eclipse IDE

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Eclipse IDE

  • Startup time and UI responsiveness lag behind newer editors like VS Code
  • Plugin quality and compatibility can be inconsistent across versions
  • Modern language support (e.g. for web frameworks) is weaker than dedicated tools
  • Configuration and workspace setup has a steeper learning curve for newcomers

Glean

  • No pricing published on website; enterprise sales model requires demo request

Pricing, plan by plan

Eclipse IDE

Free
  • FreeFree
    • Full IDE and plugin ecosystem, no paid tiers

Glean

On request

No published plan breakdown. See the Glean review.

Which should you pick?

Choose Eclipse IDE if

  • You need java development tools (jdt).
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want plugin architecture.
Eclipse IDE review

Choose Glean if

Nothing in the data separates Glean from Eclipse IDE on the points above - pick on price and on how each one feels to use.

Glean review

Questions people ask

Is Eclipse IDE or Glean better?
Neither clearly leads. Eclipse IDE starts at Free and Glean at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Eclipse IDE or Glean?
Eclipse IDE has a free tier; the other does not. Paid plans start at Free for Eclipse IDE and On request for Glean.
Does Eclipse IDE or Glean run on more platforms?
Eclipse IDE runs on Windows, macOS, Linux. Glean runs on Web.
Can I use Eclipse IDE for free?
Yes. Eclipse IDE has a free tier, so you can try it without paying. Glean starts at On request.
What is Eclipse IDE best used for?
Eclipse IDE is most often used for enterprise java application development, academic and educational programming courses, extending the ide for niche languages via plugins, multi-module builds with maven or gradle. Of those, enterprise java application development and academic and educational programming courses are not what Glean is typically brought in for.
What can Eclipse IDE do that Glean cannot?
Eclipse IDE covers Java Development Tools (JDT), Plugin Architecture, Git Integration, Refactoring Tools.

Answered from the vendors’ own pages

Eclipse IDE: Is Eclipse IDE free to use, including commercially?

Yes, Eclipse is released under the Eclipse Public License 2.0, a free and open-source license that permits commercial use with no purchase required.

Source
Glean: How much does Glean cost?

Glean does not publish pricing on its website. The platform uses an enterprise sales model where customers request a demo and pricing is determined through direct consultation with the sales team.

Source
Eclipse IDE: How do I extend Eclipse with plugins?

Extensions are installed from the Eclipse Marketplace, which hosts over 1,300 solutions spanning tools, languages, IoT support, and RCP applications, using drag-and-drop installation via the Marketplace Client.

Source
Glean: Does Glean offer a free tier or trial?

No free tier information is available on Glean's website. Interested users must request a demo to learn about trial options and pricing.

Source
Eclipse IDE: What license do Eclipse Marketplace plugins use?

Marketplace listings can be filtered by license type, including EPL, GPL, Apache 2.0, and MIT, since individual plugin authors choose their own licensing terms.

Source
Eclipse IDE: Where can I get help with Eclipse?

Support channels include community forums, project office hours, and a contact page maintained by the Eclipse Foundation, in addition to the official Eclipse Platform help documentation.

Source
Eclipse IDE: Is Eclipse limited to Java development?

No, while Eclipse's Java Development Tools are its best-known feature, the plugin architecture and marketplace extend it to C/C++, PHP, JavaScript, and many other languages.

Source
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