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Best Open Source testing tools Libraries

A curated list of the most popular GitHub repositories tagged with testing tools. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1microsoft/playwright

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

82,870TypeScript
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#2hoppscotch/hoppscotch

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

77,896TypeScript
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#3usebruno/bruno

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

41,015JavaScript
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#4mochajs/mocha

☕️ Classic, reliable, trusted test framework for Node.js and the browser

22,873JavaScript
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#5sebastianbergmann/phpunit

The PHP Unit Testing framework.

20,004PHP
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#6probelabs/goreplay

GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.

19,245Go
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#7Orange-OpenSource/hurl

Hurl, run and test HTTP requests with plain text.

18,532Rust
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#8DevExpress/testcafe

A Node.js tool to automate end-to-end web testing.

9,904JavaScript
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#9karatelabs/karate

Test Automation Made Simple

8,788Java
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#10atinfo/awesome-test-automation

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

6,977
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#11mapbox/pixelmatch

The smallest, simplest and fastest JavaScript pixel-level image comparison library

6,725JavaScript
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#12autoscrape-labs/pydoll

Pydoll is a library for automating chromium-based browsers without a WebDriver, offering realistic interactions.

6,577Python
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