Skip to content

ET Ducky vs Nuclei: Which is Better in 2026?

Choosing between ET Ducky and Nuclei comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Nuclei wins this matchup. NinjaOne is our overall Automation pick. Calendly is our free Automation pick. Pick ET Ducky if you need monitoring.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Oct 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

ET Ducky

Kernel-level telemetry for instant root-cause analysis

Best for you if:

  • • Internal IT teams and MSPs managing Windows and Linux servers and desktops, from one server to thousands of endpoints
  • • You want automated Troubleshooting
  • • You want automated Root Cause Analysis

Nuclei

Automate custom vulnerability detection and map internet-exposed assets at scale.

Best for you if:

  • • You want fast vulnerability scanner
  • • You want template-based
At a Glance
ET DuckyET Ducky
NucleiNuclei
Starts at
FreeFree tier available
FreeFree tier available
Best For
MonitoringSecurity
Rating
--
Free plan
Yes Yes

Choose ET Ducky or Nuclei?

ET Ducky

Choose ET Ducky if

Kernel-level telemetry for instant root-cause analysis

  • Internal IT teams and MSPs managing Windows and Linux servers and desktops, from one server to thousands of endpoints
  • You want automated Troubleshooting
  • You want automated Root Cause Analysis
  • Your work is monitoring-shaped, not security-shaped
Nuclei

Choose Nuclei if

Automate custom vulnerability detection and map internet-exposed assets at scale.

  • You want fast vulnerability scanner
  • You want template-based
  • Your work is security-shaped, not monitoring-shaped
FeatureET DuckyNuclei
Pricing ModelFreemiumFreemium
User RatingNo ratings yetNo ratings yet
Categories
MonitoringSecurity
SecurityDeveloper Tools

In-Depth Analysis

ET DuckyET Ducky

Kernel-level telemetry for instant root-cause analysis

Starts at Free
Fair value

The free tier is a strong entry point for users who bring their own AI key, but the Business ($99) and Enterprise ($249) tiers offer no additional agent count beyond the 20-per-user pool, making them better suited for orgs needing higher AI query volume and support rather than agent density.

Strengths

  • +Automated Troubleshooting
  • +Automated Root Cause Analysis
  • +Self-hosted Option
  • +No Minimum Endpoint Count

Weaknesses

  • -No Mac Support

Key features

Automatic root-cause analysis for every alert, built from ETW (Windows) and eBPF (Linux) kernel eventsPatch management with rollout rings, maintenance windows, and auto-pause when services fail after a rebootBrowser-based remote desktop for Windows and Linux without the need for a VPNBehavioral security rules on the live kernel event stream, with host isolation

NucleiNuclei

Automate custom vulnerability detection and map internet-exposed assets at scale.

Starts at Free
Great value

Nuclei's pricing is incredibly generous, offering a fully functional, open-source Free tier.

Strengths

  • +Fast vulnerability scanner
  • +Template-based
  • +Open source
  • +Active community
  • +Good for security

Weaknesses

  • -Learning curve
  • -False positives
  • -Template quality varies
  • -CLI focused
  • -Not for beginners

Key features

Vulnerability scannerTemplate-basedFast scanningCustom templatesAPI supportOpen source

Pricing: ET Ducky vs Nuclei

PlanET DuckyNuclei
Tier 1
0 month
Free query tier
Free
Free
Tier 2
39 month
Professional
N/A
Tier 3
99 month
Business
N/A
Tier 4
249 month
Enterprise
N/A

Pricing verified from each vendor's public pricing page. Compare in detail on ET Ducky pricing and Nuclei pricing.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: ET Ducky

Want the highest-rated option?

Neither has ratings yet.

Too early to call on ratings, compare on features and pricing.

Value user reviews?

Neither has ratings yet.

Too early to call, neither has ratings yet.

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

ET Ducky is a monitoring tool. Nuclei is in security. Pick the category that matches your needs.

3

How important are ratings?

Neither has ratings yet.

Key Takeaways

Nuclei

  • Free tier available
  • Our pick for this comparison

ET Ducky

  • Better fit for monitoring

The Bottom Line

Nuclei wins this matchup. NinjaOne is our overall Automation pick. Calendly is our free Automation pick.

Frequently Asked Questions

Is ET Ducky or Nuclei better?

Nuclei is rated in our evaluation. Both are freemium.

What are ET Ducky and Nuclei used for?

ET Ducky: Kernel-level telemetry for instant root-cause analysis. Nuclei: Automate custom vulnerability detection and map internet-exposed assets at scale..

What does ET Ducky cost vs Nuclei?

ET Ducky is freemium (free tier + paid plans). Nuclei is freemium (free tier + paid plans). Visit their websites for detailed pricing.

Related Comparisons & Resources

Compare other tools