locustio / locust

Write scalable load tests in plain Python 🚗💨

gatling / gatling

Modern Load Testing as Code

fortio / fortio

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.

vladmihalcea / hypersistence-utils

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.

fcsonline / drill

Drill is an HTTP load testing application written in Rust

PragmaticFlow / NBomber

Distributed load-testing framework for .NET. Create distributed load test scenarios entirely using plain C# or F#. It is designed to test any system regardless of the protocol or a semantic model (Pull/Push).

phpbench / phpbench

PHP Benchmarking framework

AngusKit / AngusTester

AI-native software testing platform — one YAML test language covering API, Web, mobile, messaging, data, and LLM scenarios. Self-hostable.

bamlab / flashlight

📱⚡️ Lighthouse for Mobile - audits your app and gives a performance score to your Android apps (native, React Native, Flutter..). Measure performance on CLI, E2E tests, CI...

calibreapp / image-actions

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

microsoft / HydraLab

Intelligent cloud testing made easy.

aliesbelik / awesome-jmeter

A collection of resources covering different aspects of JMeter usage.

grafana / k6-operator

An operator for running distributed k6 tests.

kube-burner / kube-burner

Kubernetes performance and scale test orchestration framework written in golang

grafana / awesome-k6

A curated list of awesome tools, content and projects using k6

haf / expecto

A smooth testing lib for F#. APIs made for humans! Strong testing methodologies for everyone!

quick-perf / quickperf

QuickPerf is a testing library for Java to quickly evaluate and improve some performance-related properties

abstracta / jmeter-java-dsl

Simple JMeter performance tests API

codetesla51 / barrage

Load test HTTP, database, and Redis on one clock and correlate their latency to pinpoint the real bottleneck — with a shareable HTML report

denodell / playwright-soak-test

Find memory leaks in your single-page web app in minutes rather than hours, with Playwright.

microsoft / sqlsimtools

Open-source load testing and benchmarking tools for SQL Server, Azure SQL, and SQL database in Microsoft Fabric: sqlsim, sqlpysim, and sqlsim Studio

onurtirpan / agentic-llm-token-and-performance-tests

The same HTTP API in 10 languages at 3 sizes, 30 implementations. Token cost for LLM agents, plus cold start, latency, throughput, CPU and memory. All measured, all verified over live HTTP.