Softwr

Developer Tools · head to head

Eclipse IDE vs Tenable

Eclipse IDE logo

Eclipse IDE

Developer Tools

Open-source, extensible IDE historically centered on Java development

From
Free
Free plan
Yes
Full reviewWebsite
Tenable logo

Tenable

Cybersecurity

AI-powered exposure management platform for unified security visibility

From
$3500/year
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.; Tenable pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • They diverge on capability: Eclipse IDE covers Java Development Tools (JDT), Tenable covers Unified attack surface mapping.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where Eclipse IDE and Tenable differ
AttributeEclipse IDETenable
Starting priceFree$3500/year
Pricing modelopen-sourcesubscription
Free tierYesNo
Platformswindows, mac, linuxCloud, Web
CategoryDeveloper ToolsCybersecurity
Founded2001Unknown

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 Tenable

  • Unified attack surface mapping
  • Exposure intelligence enrichment
  • Tenable Hexa AI orchestration
  • Cloud Exposure (CNAPP)
  • OT Exposure
  • Identity Exposure
  • Vulnerability Management
  • Attack Surface Management

What people use each for

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

Eclipse IDE

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

Tenable

  • Comprehensive vulnerability scanning for enterprise networksnot Eclipse IDE
  • Cloud security monitoring and compliance for AWS, Azure, GCPnot Eclipse IDE
  • Identity and access management risk assessmentnot Eclipse IDE
  • Operational technology security for industrial systemsnot Eclipse IDE
  • Attack surface management for third-party risknot 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.

Tenable

  • Pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • Many enterprise features require custom quote and sales engagement
  • Cloud Exposure, OT Exposure, and other modules have no published pricing
  • Multi-year contracts common, limiting flexibility
  • Setup and configuration complexity for enterprise deployments

Pricing, plan by plan

Eclipse IDE

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

Tenable

$3500/year
  • Tenable One Vulnerability Management$3500/year
    • Per 100 assets
    • Multi-year discounts available
  • Tenable One Web App Scanning$3578/year
    • Per 5 FQDNs
    • Annual subscription
  • Nessus Professional$4790/year
    • Vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year
  • Nessus Expert$6790/year
    • Advanced vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year

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 Tenable if

  • You need unified attack surface mapping.
  • You work on Cloud, Web.
  • You also want exposure intelligence enrichment.
Tenable review

Questions people ask

Is Eclipse IDE or Tenable better?
Neither clearly leads. Eclipse IDE starts at Free and Tenable at $3500/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Eclipse IDE or Tenable?
Eclipse IDE has a free tier; the other does not. Paid plans start at Free for Eclipse IDE and $3500/year for Tenable.
Does Eclipse IDE or Tenable run on more platforms?
Eclipse IDE runs on windows, mac, linux. Tenable runs on Cloud, Web.
Can I use Eclipse IDE for free?
Yes. Eclipse IDE has a free tier, so you can try it without paying. Tenable starts at $3500/year.
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 Tenable is typically brought in for.
What can Eclipse IDE do that Tenable cannot?
Eclipse IDE covers Java Development Tools (JDT), Plugin Architecture, Git Integration, Refactoring Tools. Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP).

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
Tenable: How is Tenable One pricing structured?

Tenable One Vulnerability Management costs $3500/year per 100 assets. Web App Scanning is $3578/year per 5 FQDNs. Multi-year discounts are available.

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
Tenable: What is the difference between Nessus Professional and Nessus Expert?

Nessus Professional costs $4790/year and provides core vulnerability scanning. Nessus Expert costs $6790/year and offers advanced scanning capabilities.

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
Tenable: Are custom support and training available for Tenable?

Yes. Optional advanced support is available for $400/year. Training courses range from $275-$385/year.

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
Share

Related pages

More on Eclipse IDE

More on Tenable

Keep looking

Other head to heads