Softwr

Developer Tools · head to head

Eclipse IDE vs OWASP ZAP

Eclipse IDE logo

Eclipse IDE

Developer Tools

Open-source, extensible IDE historically centered on Java development

From
Free
Rated
-
Full reviewWebsite
OWASP ZAP logo

OWASP ZAP

Cybersecurity

Free, open-source web application scanner and intercepting proxy, now governed by the Software Security Project.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Eclipse IDE startup time and UI responsiveness lag behind newer editors like VS Code.; OWASP ZAP authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
  • They diverge on capability: Eclipse IDE covers Java Development Tools (JDT), OWASP ZAP covers Intercepting proxy.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Eclipse IDE and OWASP ZAP actually diverge.

Attributes where Eclipse IDE and OWASP ZAP differ
AttributeEclipse IDEOWASP ZAP
Pricing modelopen-sourcefree
Platformswindows, mac, linuxDesktop, Cli, Api
CategoryDeveloper ToolsCybersecurity

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), founded (2001).

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 OWASP ZAP

  • Intercepting proxy
  • Passive scanner
  • Active scanner
  • AJAX spider
  • Automation Framework
  • Headless daemon and REST API
  • Docker images
  • Add-on marketplace

What people use each for

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

Eclipse IDE

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

OWASP ZAP

  • Adding a baseline security scan to every application's pipeline where per-target commercial licensing would limit coverage to a handfulnot Eclipse IDE
  • Manual penetration testing that needs an intercepting proxy, request replay and fuzzing without a paid licence per testernot Eclipse IDE
  • Teaching developers what an attack against their own endpoint looks like, using a tool they can install themselvesnot Eclipse IDE
  • Pre-release regression scanning of an internal application that would never justify a commercial DAST subscriptionnot 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.

OWASP ZAP

  • Authenticated scanning of modern single-page applications is the hard part and ZAP makes you build it by hand: session handling, token refresh and login scripts are configured per application, and a misconfigured session means the scanner logs itself out and reports a clean result for pages it never reached.
  • There is no support contract in the product, so when a scan breaks the day before a release the escalation path is a GitHub issue and a community chat, which is not an answer that satisfies a delivery manager or an auditor who wants a named responsible party.
  • Active scanning sends genuine attack traffic, so it can create records, trigger emails, exhaust rate limits or destabilise a fragile environment, and pointing it at production without prior agreement produces an incident rather than a test result.
  • Output needs triage: passive rules generate large volumes of low-severity informational findings about headers and cookie flags that bury the few results that matter, and a team without someone tuning the rule set stops reading the report within a few sprints.
  • As a dynamic scanner it can only test what it can reach, so authorisation flaws between accounts, business logic abuse and anything behind an undiscovered endpoint go unreported, and a passing ZAP scan is evidence of nothing more than the absence of the classes of bug it looks for.

Pricing, plan by plan

Eclipse IDE

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

OWASP ZAP

Free
  • Free & Open SourceFree
    • Full functionality
    • Active & passive scanning
    • Spider

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 OWASP ZAP if

  • You need intercepting proxy.
  • You want to start without paying.
  • You work on Desktop, Cli, Api.
  • You also want passive scanner.
OWASP ZAP review

Questions people ask

Is Eclipse IDE or OWASP ZAP better?
Neither clearly leads. Eclipse IDE starts at Free and OWASP ZAP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Eclipse IDE or OWASP ZAP?
Eclipse IDE starts at Free and OWASP ZAP at Free.
Does Eclipse IDE or OWASP ZAP run on more platforms?
Eclipse IDE runs on windows, mac, linux. OWASP ZAP runs on Desktop, Cli, Api.
Can I use Eclipse IDE for free?
Both have a free tier, so you can try either at no cost before committing.
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 OWASP ZAP is typically brought in for.
What can Eclipse IDE do that OWASP ZAP cannot?
Eclipse IDE covers Java Development Tools (JDT), Plugin Architecture, Git Integration, Refactoring Tools. OWASP ZAP covers Intercepting proxy, Passive scanner, Active scanner, AJAX spider.

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
OWASP ZAP: Is it still called OWASP ZAP?

The project left OWASP in August 2024 and is now governed by the Software Security Project, with core development sponsored by Checkmarx. The tool is now just ZAP, though most existing documentation, courses and search results still use the OWASP name.

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
OWASP ZAP: Is it free for commercial use?

Yes. It is Apache 2.0 licensed, with no per-application, per-scan or per-user cost, and it can be used and modified commercially without a licence agreement.

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
OWASP ZAP: Can it replace a penetration test?

No. It automates checks for known vulnerability classes against endpoints it can reach. It does not reason about business logic, chain findings into an attack, or test authorisation between accounts, which is most of what a tester actually does.

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
OWASP ZAP: Does it run in CI?

Yes, through the official Docker images and the Automation Framework, which defines scan jobs in YAML so configuration lives in the repository. A baseline passive scan is the usual starting point because it is fast and non-intrusive.

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
OWASP ZAP: How does it compare to Burp Suite?

Burp Suite Professional is the more polished manual testing tool and has a stronger scanner and extension ecosystem, but it is licensed per tester and Burp Suite Enterprise per target. ZAP is the better fit where cost per target is the binding constraint; many teams use both.

Share

Related pages

More on Eclipse IDE

More on OWASP ZAP

Keep looking

Other head to heads