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Developer Tools · head to head

Eclipse IDE vs Microsoft Defender for Endpoint

Eclipse IDE logo

Eclipse IDE

Developer Tools

Open-source, extensible IDE historically centered on Java development

From
Free
Free plan
Yes
Full reviewWebsite
Microsoft Defender for Endpoint logo

Microsoft Defender for Endpoint

Cybersecurity

Enterprise endpoint security built into Microsoft 365

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only Eclipse IDE has a free tier, so it costs nothing to try first.
  • Each has a real cost: Eclipse IDE startup time and UI responsiveness lag behind newer editors like VS Code.; Microsoft Defender for Endpoint pricing not published on public websites; quote required from Microsoft sales
  • They diverge on capability: Eclipse IDE covers Java Development Tools (JDT), Microsoft Defender for Endpoint covers Threat & vulnerability management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Eclipse IDE and Microsoft Defender for Endpoint actually diverge.

Attributes where Eclipse IDE and Microsoft Defender for Endpoint differ
AttributeEclipse IDEMicrosoft Defender for Endpoint
Starting priceFreeOn request
Pricing modelopen-sourcequote
Free tierYesNo
Platformswindows, mac, linuxWindows, macOS, Linux, iOS, Android
CategoryDeveloper ToolsCybersecurity
Founded20011975

Identical on both: user rating (Not yet rated).

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 Microsoft Defender for Endpoint

  • Threat & vulnerability management
  • Attack surface reduction
  • Next-gen protection
  • EDR
  • Auto investigation
  • Microsoft Threat Experts
  • Threat analytics
  • Secure score

What people use each for

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

Eclipse IDE

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

Microsoft Defender for Endpoint

  • Enterprise endpoint security across Windows, macOS, Linux, Android, and iOS via Plans 1 or 2not Eclipse IDE
  • Small and medium-sized businesses using Microsoft Defender for Business as alternativenot Eclipse IDE
  • Organisations using Microsoft 365 E5 which includes Defender for Endpoint Plan 2not 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.

Microsoft Defender for Endpoint

  • Pricing not published on public websites; quote required from Microsoft sales
  • Defender for Endpoint Plan 1 and Plan 2 do not include server licenses; additional licensing required for server protection
  • Specific feature differences between Plan 1 and Plan 2 require consulting Microsoft documentation

Pricing, plan by plan

Eclipse IDE

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

Microsoft Defender for Endpoint

On request

No published plan breakdown. See the Microsoft Defender for Endpoint 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, mac, linux.
  • You also want plugin architecture.
Eclipse IDE review

Choose Microsoft Defender for Endpoint if

  • You need threat & vulnerability management.
  • You work on Windows, macOS, Linux, iOS, Android.
  • You also want attack surface reduction.
Microsoft Defender for Endpoint review

Questions people ask

Is Eclipse IDE or Microsoft Defender for Endpoint better?
Neither clearly leads. Eclipse IDE starts at Free and Microsoft Defender for Endpoint at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Eclipse IDE or Microsoft Defender for Endpoint?
Eclipse IDE has a free tier; the other does not. Paid plans start at Free for Eclipse IDE and On request for Microsoft Defender for Endpoint.
Does Eclipse IDE or Microsoft Defender for Endpoint run on more platforms?
Eclipse IDE runs on windows, mac, linux. Microsoft Defender for Endpoint runs on Windows, macOS, Linux, iOS, Android.
Can I use Eclipse IDE for free?
Yes. Eclipse IDE has a free tier, so you can try it without paying. Microsoft Defender for Endpoint 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 Microsoft Defender for Endpoint is typically brought in for.
What can Eclipse IDE do that Microsoft Defender for Endpoint cannot?
Eclipse IDE covers Java Development Tools (JDT), Plugin Architecture, Git Integration, Refactoring Tools. Microsoft Defender for Endpoint covers Threat & vulnerability management, Attack surface reduction, Next-gen protection, EDR.

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
Microsoft Defender for Endpoint: How is Microsoft Defender for Endpoint priced?

Defender for Endpoint is bundled into Microsoft 365 enterprise subscriptions. Plan 1 is included in Microsoft 365 E3, and Plan 2 is included in Microsoft 365 E5. Individual pricing is not published separately.

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
Microsoft Defender for Endpoint: Does Microsoft Defender for Endpoint offer a trial?

Yes. A free trial is available for prospective customers to test the product before committing to a subscription.

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
Microsoft Defender for Endpoint: What is the difference between Plan 1 and Plan 2?

Plan 1 (in E3) includes unified security tools, device controls, network protection, firewall, web/URL controls, APIs, SIEM connectors, and app controls. Plan 2 (in E5) adds endpoint detection and response, deception techniques, automatic attack disruption, exposure management, and threat intelligence.

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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