Cross-browser screenshot testing tool for Storybook with fancy UI Runner.
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Framework allows to perform load testing with Apache Jmeter, view application/server metrics in real-time with Grafana, analyze errors cause with detailed traces for failed requests, compare different test runs in scripted dashboard and perform frontend performance testing with sitespeed.io+webpagetest
Scriptable, multipurpose mock server. Run standalone mock servers, or embed mocks within your tests or CI/CD pipeline.
Shift-left API Integration | Auto-fix integration drift before integration. Specmatic turns API specifications into executable contracts, continuously verifying that every change made by AI coding agents and engineers stays true to the desired behaviour. Ship AI-ready APIs 10x faster, from intent to implementation, with Spec-Driven API Development.
- contract-testing
- microservices
- contract-driven-development
- cdd
AI-powered E2E testing for 10 platforms. 253 MCP tools. Zero config. Works with Claude, Cursor, Windsurf, Copilot. Test Flutter, React Native, iOS, Android, Web, Electron, Tauri, KMP, .NET MAUI — all from natural language.
WebTau (web test automation) is a testing API, command line tool and a framework to write unit, integration and end-to-end tests. Test across REST-API, WebSocket, GraphQL, Browser, Database, CLI and Business Logic with a consistent set of matchers and concepts. REPL mode speeds-up tests development. Rich reporting cuts down investigation time.
Load testing as a service (LTaaS) with Apache Jmeter on kubernetes
☕️ TDD with Browserify, Mocha, Headless Chrome and WebDriver
Wraps any WSGI application and makes it easy to send test requests to that application, without starting up an HTTP server.
Performance benchmark framework for C++ with nanoseconds measure precision
- benchmark-framework
- benchmarks
- microbenchmarks
- performance
Small library to easily run your tests directly within a Playground
- playground
- tdd
- swift
The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
- json
- json-schema
- jsonschema
- openapi
Enhance the standard unittest package with features for testing asyncio libraries
recheck for web apps – change comparison tool with local Golden Masters, Git-like ignore syntax and "Unbreakable Selenium" tests.
- selenium-java
- regression
- testing-tools
- test-automation
Attacking MQTT systems with Mosquittos (scalability and load testing utilities for MQTT environments)
querySelector that can pierce Shadow DOM roots without knowing the path through nested shadow roots. Useful for automated testing of Web Components. Production use is not advised, this is for test environments/tools such as Web Driver, Playwright, Puppeteer
- webcomponents
- shadow-dom
- javascript
- puppeteer
Pipit is a Wagtail CMS boilerplate which aims to provide an easy and modern developer workflow with a React-rendered frontend.
A TestNG like dataprovider runner for JUnit with many additional features
All-in-one development toolkit for creating node modules with Jest, Prettier, ESLint, and Standard
:wheelchair:: Custom commands for Playwright to run accessibility (a11y) checks with axe-core
- playwright
- accesibility
- axe
- axe-core
k6 extension to load test Apache Kafka with support for various serialization formats, SASL, TLS, compression, Schema Registry client and beyond
Run RSpec tests on multiple cores. Like parallel_tests but with incremental summarized output. Originally extracted from the Discourse and Rubygems source code.
- rspec
- parallel-tests
- ruby
Chiron - An IPv6 Security Assessment framework with advanced IPv6 Extension Headers manipulation capabilities.
- ipv6
- security-assessments
:dash: Simple yet powerful file-based mock server with recording abilities