Who should use Mutation Tester?

Mutation Tester is a B2B product built for software developers and QA engineers.

Does Mutation Tester have a free plan?

Yes — Mutation Tester is free to use.

What platforms does Mutation Tester run on?

Mutation Tester runs on the web, macOS, Windows, and Linux.

Is Mutation Tester still active?

Unverified. Mutation Tester has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Mutation Tester?

Similar projects tracked by PulseGate include PIT Mutation Testing, Test Management, and PITest Helper.

Who develops Mutation Tester?

Mutation Tester is developed by JetBrains.

How long has Mutation Tester been around?

Mutation Tester first shipped in 2025.

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Mutation Tester

Name: Mutation Tester
Author: JetBrains

jetbrains.comTesting & QA

Mutation Tester is a plugin for IntelliJ-based IDEs that applies mutation testing to assess the effectiveness of automated test suites. It helps developers and QA engineers identify tests that fail to detect injected code changes.

FreeWebmacOSWindowsLinux

Visit jetbrains.com

Overview

3 features

In the Testing & QA space, Mutation Tester takes a focused approach. It focuses on determining whether automated tests detect meaningful code changes. Mutation Tester is a B2B product aimed at software developers and QA engineers. Mutation Tester costs nothing to use. It ships for the web, macOS, Windows, and Linux.

JetBrains builds and maintains Mutation Tester, and it first shipped in 2025. Key capabilities include mutation testing, test effectiveness analysis, and intelliJ integration.

Summary written by a language model from the project’s public pages.

Mutation testing
Test effectiveness analysis
IntelliJ integration

Built with & integrations

Hosting

AWS

Connectors

vscode

Runs on

BrowsermacOSWindowsLinux

Detected from

AWS: x-amz-cf-id header · x-amz-cf-pop header · via header

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed9 Sept · 03:10 UTC
Mutation Tester verified via JetBrains Plugins
Source: JetBrains Plugins · Open

Frequently asked questions about Mutation Tester

What is Mutation Tester?: Mutation Tester focuses on determining whether automated tests detect meaningful code changes. It is catalogued under Testing & QA on PulseGate.
Who should use Mutation Tester?: Mutation Tester is a B2B product built for software developers and QA engineers.
Does Mutation Tester have a free plan?: Yes — Mutation Tester is free to use.
What platforms does Mutation Tester run on?: Mutation Tester runs on the web, macOS, Windows, and Linux.
Is Mutation Tester still active?: Unverified. Mutation Tester has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Mutation Tester?: Similar projects tracked by PulseGate include PIT Mutation Testing, Test Management, and PITest Helper.PIT Mutation Testing Test Management PITest Helper
Who develops Mutation Tester?: Mutation Tester is developed by JetBrains.
How long has Mutation Tester been around?: Mutation Tester first shipped in 2025.

At a glance

Platforms: Web
Languages: English
Built for: software developers and QA engineers
Model: B2B
Solves: Determining whether automated tests detect meaningful code changes.

Registered as

JetBrains Marketplace: 19453

Developer

JetBrains

Index record

Indexed: 9 Sept 2026
Lifecycle: Alive
Last seen: 9 Sept 2026

Identity audit (13)

Slug: mutation-tester-jetbrains-com
Lifecycle state recorded: 9 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Sept 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 9 Sept 2026
Canonical URL: https://plugins.jetbrains.com/plugin/19453-mutation-tester

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