gatling

Supports defining tests in Java, JavaScript, TypeScript, Kotlin, or Scala, allowing version-controlled, reviewable tests that integrate with existing development workflows, as highlighted in the README's 'Code-First Testing' feature.

Uses a non-blocking architecture that maximizes resource efficiency and scalability per node, reducing the need for large injection server farms compared to legacy tools, as emphasized in the 'Why Gatling?' section.

Natively integrates with build pipelines for automated performance gates and regression detection, enabling continuous testing and early issue detection, per the 'Core Capabilities' on continuous load testing.

Officially supports HTTP, WebSocket, gRPC, MQTT, and other protocols, enabling comprehensive performance validation across diverse technologies, as listed in the key features.