Discover the Best Open-Source Performance-testing Projects Sorted by Stars

Write scalable load tests in plain Python 🚗💨

MeterSphere 一站式开源持续测试平台，为软件质量保驾护航。搞测试，就选 MeterSphere！

"Canva" of Observability. Available on CLI, Self-Hosted, and Cloud - https://ddosify.com 🚀

A curated list of awesome test automation frameworks, tools, libraries, and software for different programming languages. Sponsored by https://zapple.tech

HttpRunner 是一个开源的 API 测试工具，支持 HTTP(S) / HTTP2 / WebSocket / RPC 等网络协议，涵盖接口测试、性能测试、数字体验监测等测试类型。简单易用，功能强大，具有丰富的插件化机制和高度的可扩展能力。

Fortio load testing library, command line tool, advanced echo server and web UI in go (golang). Allows to specify a set query-per-second load and record latency histograms and other useful stats.

The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.

Modern and flexible load testing framework for Pull and Push scenarios, designed to test any system regardless a protocol (HTTP/WebSockets/AMQP etc) or a semantic model (Pull/Push).

Collect performance metrics for your library/application.

Drill is an HTTP load testing application written in Rust

PHP Benchmarking framework

A Github Action that automatically compresses JPEGs, PNGs and WebPs in Pull Requests.

Takin is an Java-based, open-source system designed to measure online environmental performance test for full-links, Especially for microservices. Through Takin, middlewares and applications can identify real online traffic and test traffic, ensure that they enter the right databases.

A better load generator for locust, written in golang.

Pcap editing and replay tools for *NIX and Windows - Users please download source from

Performance testing companion for React and React Native

In-app-debug tool for iOS

Falco helps you monitor, analyze, and optimize your websites.

go-wrk - a HTTP benchmarking tool based in spirit on the excellent wrk tool (https://github.com/wg/wrk)

Intelligent cloud testing made easy.