Gatling

Name: Gatling
Price: 99.00 EUR
Author: Gatling Corp

Open SourceFree Tier

High-performance load testing tool with a Scala-based DSL.

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About Gatling

Gatling is a high-performance load testing tool engineered for developers and QA engineers who require scalable, code-based performance analysis. Built on Scala, Akka, and Netty, it utilizes a powerful domain-specific language to define complex test scenarios as executable code. This approach ensures high maintainability and seamless integration into modern CI/CD pipelines. Its primary differentiator is the asynchronous, non-blocking architecture, which allows for massive concurrency on minimal hardware, making it an ideal choice for testing high-traffic web applications and microservices under extreme load conditions.

Type:Hybrid

API:Available

Free Tier:Available

Source:Open Source

Pros & Cons

Pros

Asynchronous architecture enables high concurrency with low resource consumption.
Scenario-based DSL allows for highly readable and maintainable test scripts.
Native integration with CI/CD tools facilitates automated performance testing.
Comprehensive reporting provides detailed metrics on response times and throughput.
Open-source core offers extensive flexibility for custom extensions and plugins.

Cons

Requires proficiency in Scala or Java to effectively utilize the DSL.
Steep learning curve for users accustomed to GUI-based testing tools.
Limited built-in support for non-HTTP protocol testing without custom development.

Who Is This For?

Best For

Performance Engineers

They can leverage the code-first approach to build complex, repeatable, and version-controlled load tests.

DevOps Teams

The tool integrates seamlessly into automated pipelines, enabling performance regression testing during deployment.

Backend Developers

They benefit from writing tests in a familiar programming language rather than proprietary scripting formats.

Not Ideal For

Manual QA Testers

The lack of a visual record-and-playback GUI makes it unsuitable for users without coding experience.

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IndustriesSoftware Development

CategoriesTesting & QA

Pricing

Gatling offers a robust open-source version for core load testing, while Gatling Corp provides enterprise-grade commercial tiers that include advanced reporting, professional support, and managed infrastructure.