Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
- api-client
- git
- graphql-client
- opensource
Repository Index
59,621 visible repositories in the index
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Node.js test runner that lets you develop with confidence 🚀
- test-runner
- ava
- javascript
- concurrency
JavaScript Testing utilities for React
- enzyme
- react
- mocha
- react-components
🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.
- supertest
- superagent
- assertions
- node
HTTP server mocking and expectations library for Node.js
RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions.
Record, Replay, and Stub HTTP Interactions.
Monkey testing library for web apps and Node.js
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
- javascript
- assertions
- chai
- tdd
Newman is a command-line collection runner for Postman
- newman
- postman-collection
- json-report
- postman
Automate running Lighthouse for every commit, viewing the changes, and preventing regressions
- lighthouse
- webperf
⚓️ Easily test HTTP webhooks with this handy tool that displays requests instantly.
AWS Lambda Power Tuning is an open-source tool that can help you visualize and fine-tune the memory/power configuration of Lambda functions. It runs in your own AWS account - powered by AWS Step Functions - and it supports three optimization strategies: cost, speed, and balanced.
- aws
- aws-lambda
- serverless
- stepfunctions
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
- web
- metrics
- monitoring
- webperf
✨ Jest matcher for image comparisons. Most commonly used for visual regression testing.
A node.js library for testing modern web applications
- testing-tools
- headless
- headless-browsers
- headless-chrome
Runs a load test on the selected URL. Fast and easy to use. Can be integrated in your own workflow using the API.
- loadtesting
- nodejs
- performance
- testing-tools
TranslatedA self-hosted address and synthetic test-profile generator for 27 countries and regions, built from real open-data streets, administrative areas, coordinates, and postcodes. Supports multilingual output, IP-nearby generation, map previews, and API access.
- address
- address-generation
- address-generator
- mock-data
Minimalistic BDD-style assertions for Node.JS and the browser.
The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses
blanket.js is a simple code coverage library for javascript. Designed to be easy to install and use, for both browser and nodejs.
Testing chrome extensions with Node.js
- javascript
- chrome-api
- sinon-chrome
- chrome-events
Fresh, throwaway Windows machines for testing your apps: an MCP server and CLI that automate Windows Sandbox
Lint the rendered UI: catches overflowing text, low contrast, overlaps, broken responsive layouts, emoji icons and more in any web framework. Built for AI coding agents.
- accessibility
- ai-agents
- claude-code
- contrast