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ET Ducky

FreemiumAPI

Most RMM tools tell you SERVER-12 is on fire — then hand you a remote session and let you guess at the accelerant. ET Ducky captures the kernel event stream underneath the alert and hands you a named cause with timestamped evidence before you touch the keyboard.

$39/mo · Free tier: Bring your own API key; local processing only; no cloud queries

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Summary

ET Ducky runs a Windows (ETW) and Linux (eBPF) agent that records kernel-level I/O, process, and memory events, then correlates them on demand into a root-cause summary with supporting evidence and a rollback-safe remediation checklist. The workflow is analyst-in-the-loop by design: every proposed fix sits in a review queue — nothing executes on the endpoint without your sign-off. That restraint keeps the tool out of trouble in regulated environments. Where it strains is volume: query capacity is shared across the team and gated by tier, so large fleets with high alert rates will hit the quota ceiling before the on-call rotation ends. Teams at that scale start routing only critical, unexplained alerts through ET Ducky while leaner triage stays in their existing RMM.

Bottom line: Pick ET Ducky for the Windows or Linux alert that has stumped your team for an hour — expect to plan a separate strategy for fleets where sustained alert storms will exhaust shared query limits before the incident is closed.

Pricing Plans

Subscription
Free Tier
Bring your own API key; local processing only; no cloud queries

Free

Free

Bring your own API key; full ETW monitoring and local correlation; no query limits with own key; 14-day retention

  • Local event correlation
  • Unlimited live sessions with own key
  • Desktop app and agent support

Professional

$39per month

1,000 queries per month; cloud-based processing; multi-agent queries and cross-correlation

  • 20 free agents
  • Priority support
  • Usage analytics

Business

$99per month

5,000 queries per month; team collaboration; advanced correlation; automated alert analysis

  • Dedicated support
  • Historical analytics
  • 20 free agents

Enterprise

$249per month

50,000 queries per month; enterprise-scale monitoring; custom integrations; SLA guarantee

  • White-glove support
  • Organization-wide analytics
  • 20 free agents

View full pricing on etducky.com →

Pricing may have changed since last verified. Check the official site for current plans.

Find your fit

Before you choose ET Ducky

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Pros

  • Kernel-level event capture via ETW on Windows and eBPF on Linux, which means the root cause is visible in the event stream rather than inferred from polled counters — so you stop spending the first thirty minutes of an incident ruling out false leads.
  • Root-cause output includes confidence rating and correlated raw events, so the technician reading the summary can audit the reasoning rather than trusting a black-box score.
  • Rollback state is captured before any remediation step executes, which means a failed fix is reversible with a documented command instead of a manual reconstruction of pre-incident state.
  • Every proposed remediation step sits in a review queue and requires explicit approval before running on the endpoint, so production endpoints are not modified by an automated response that misread the context.
  • Query quotas are shared across the team rather than per-seat, so a small team with uneven alert load does not pay for individual seat capacity that sits idle most of the month.

Cons

  • Query volume is shared across all users and capped by tier — during a sustained alert storm across a large fleet, the quota runs out mid-incident, leaving later alerts without automated root-cause analysis until the cap resets. Teams at that point triage manually and route only the highest-priority unresolved alerts through ET Ducky, which defeats the automation benefit during the worst incidents.
  • There is no self-hosted deployment option. Teams subject to data-residency or air-gap requirements that prohibit kernel event telemetry leaving the local network cannot use this tool in any configuration, and the architecture does not accommodate those constraints — they move to an on-premises RMM with custom ETW/eBPF scripting instead.
  • The tool does not run autonomous remediation loops — every step requires a human to review and approve. Teams that need automated response at scale, such as auto-restarting a known-bad process the moment it appears across a fleet, have to layer a separate automation platform on top and hand off from ET Ducky's diagnosis to that system manually.

About

Platforms
Windows, Linux
API Available
Yes
Self-Hosted
No
Last Updated
September 30, 2026

Best For

Who it's for

  • IT teams managing Windows and Linux endpoints
  • Organizations needing explanatory diagnostics beyond simple alerts
  • Teams requiring shared query quotas across users

What it does well

  • Live troubleshooting on remote agents
  • Automated root cause analysis of alerts
  • Multi-agent event correlation
  • Desktop monitoring sessions
  • Fleet management and alerting

Recommended skills for this tool

Auto-curated by the AIDiveForge recommendation matrix. These skills are predicted to enhance this tool based on category, capability, and domain signals.

Frequently Asked Questions

Is ET Ducky free?
ET Ducky offers a free option alongside paid upgrades. Check the current allowances and terms before choosing a plan.
Does ET Ducky have an API?
Yes. ET Ducky exposes a developer API. See the official documentation at https://etducky.com for details.
What platforms does ET Ducky support?
ET Ducky is available on: Windows, Linux.

When alerts leave the cause hidden

Most RMM tools report that SERVER-12 is on fire then open a remote session and leave the operator to guess at the trigger. ET Ducky records kernel-level I/O, process, and memory events through an ETW agent on Windows and an eBPF agent on Linux, then correlates those events into a root-cause summary that includes timestamped evidence and a rollback-safe remediation checklist.

How the workflow works

Every proposed fix enters a review queue. Nothing runs on the endpoint until an analyst approves it. The vendor states this design keeps the tool suitable for regulated environments. The same shared query capacity that supports the correlation is capped by subscription tier, so large fleets or sustained alert volumes can exhaust the allowance mid-incident.

Key limits

Free tier access requires a user-supplied API key and restricts operation to local processing with no cloud queries. There is no self-hosted option, which rules out air-gapped or strict data-residency deployments.

Who it is for / who should skip it

It fits IT teams that manage Windows and Linux endpoints and need explanatory diagnostics beyond simple alerts, plus groups that can work within shared query quotas. Teams facing frequent high-volume incidents or data-residency rules should look elsewhere.

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