testing
Playwright enables reliable end-to-end testing for modern web apps.
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast.
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A fully functional local cloud stack. Develop and test your cloud and serverless apps offline!
LocalStack is an easy-to-use test/mocking framework for developing cloud applications. Using LocalStack, you can spin up a local test environment in seconds, and get the same functionality you would get from a real AWS environment.
holistic Visual Regression Testing cloud. Open source alternative to Percy, Chromatic, Applitools.
Lost Pixel is an open-source visual regression testing tool. Run visual regression tests on your Storybook and Ladle stories and your application pages.
The Open Source Test Automation Platform. Accelerate with Test Automation. Cerberus Testing is the scalable test automation platform for teams searching to accelerate software delivery with confidence.
The fully integrated standalone wiki and acceptance testing framework.
autonomous software testing.
Antithesis is a continuous reliability platform that autonomously searches for problems in your software within a simulated environment. Every problem we find can be perfectly reproduced, allowing for efficient debugging of even the most complex problems.
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The world's most widely used web app scanner. Free and open source. Actively maintained by a dedicated international team of volunteers.
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🚰 PHPUnit Plugin for detecting Memory Leaks in code and tests.
This library is a PHPUnit plugin that detects memory leaks in tested code or tests. It utilizes memory_get_usage() to make sure the code being executed properly cleans up after itself.
Simple and complete testing utilities that encourage good testing practices
Most Powerful Cross Browser Testing Tool Online. Cross Browser Testing Cloud. Browser & app testing cloud to perform both exploratory and automated testing across 3000+ different browsers, real devices and operating systems.
A PHP function to work with private properties and methods.
This package offers an invade function that will allow you to read/write private properties of an object. It will also allow you to call private methods.
Automate dogfoodingfor your team. Get more eyes on your web app. Testing your product is now just a simple command away. Get more eyes on your website. Ship with confidence.
Donobu simplifies automation through intuitive prompts, getting you started in no time.
Open source record and playback test automation for the web
Robot Framework is an open source automation framework for test automation and robotic process automation (RPA). It is supported by the Robot Framework Foundation and widely used in the industry.
Its human-friendly and versatile syntax uses keywords and supports extending through libraries in Python, Java, and other languages.
It integrates with other tools for comprehensive automation without licensing fees, bolstered by a rich community with hundreds of 3rd party libraries.
Open source, AI-native testing framework for web apps.
End-to-end testing framework powered by visual AI agents that see your interface and adapt to any changes in it.
🧙♀️ Fast low-code testing — create, run tests and get alerts ⏱️ Create test in <60 secs 👉 Better open source alternative to selenium, cypress and puppeteer. Crusher is a new fast testing framework, it's opinionated and takes a low-code first approach. Create tests by browsing your website and adding assertion when needed.
Pure Go Redis test server, used in Go unittests.
Sometimes you want to test code which uses Redis, without making it a full-blown integration test. Miniredis implements (parts of) the Redis server, to be used in unittests. It enables a simple, cheap, in-memory, Redis replacement, with a real TCP interface. Think of it as the Redis version of net/http/httptest.
An MCP server that autonomously evaluates web applications.
Browser Agents to vibe-test your web app. Let browser agents vibe-test your vibe-coding.
10x your vibe coding by giving your coding agent a browser agent that can vibe-test web applications via MCP.
Semantic unit testing is a testing approach that evaluates whether a function's implementation aligns with its documented behavior. The code is analyzed using LLMs to assess whether the implementation matches the expected behavior described in the docstring.
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A Powerful API Mocking and Testing Tool
A full suite of tools to create and share API contracts, test APIs, mock them, and integrate them with web and mobile apps with ease.
BigTesty: integration testing for BigQuery.
BigTesty is a framework that allows to create Integration Tests with BigQuery on a real and short-lived Infrastructure. Integration and End-to-End tests are a robust way to validate if SQL queries work as expected. There is no an emulator in this case and the queries are executed directly in the BigQuery Engine.
Test Coverage History & Statistics Coveralls works with your continuous integration server to give you test coverage history and statistics. Free for open source, pro accounts for private repos, instant sign up with GitHub OAuth. We help you deliver code confidently by showing which parts of your code aren’t covered by your test suite. Free for open source repos. Pro accounts for private repos. Instant sign up through GitHub, Bitbucket, and Gitlab.
End-to-End UI Testing for Mobile and Web.
Maestro makes UI testing dead simple. Write your first test in under 5 minutes. Maestro is an open-source framework that makes UI and end-to-end testing for Android, iOS, and web apps simple and fast. Write your first test in under five minutes using YAML flows and run them on any emulator, simulator, or browser.
WordPress REST API Testing Tool.
Discover and test WordPress REST API endpoints.
tox aims to automate and standardize testing in Python. It is part of a larger vision of easing the packaging, testing and release process of Python software (alongside pytest and devpi).
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Pest is a Testing Framework with a focus on simplicity. It was carefully crafted to bring the joy of testing to PHP.
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email & SMTP testing tool with API for developers.
Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers. It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.
Local AWS Cloud Emulator.
Local AWS cloud emulator for integration tests. Run your app with normal AWS clients, stay fully local, and use fakecloud SDKs when your tests need deeper visibility.
Mock the APIs You Depend On. flexible, open source API mocking. A tool for mocking HTTP services.
WireMock supports several approaches for creating mock APIs - in code, via its REST API, as JSON files and by recording HTTP traffic proxied to another destination. WireMock has a rich matching system, allowing any part of an incoming request to be matched against complex and precise criteria. Responses of any complexity can be dynamically generated via the Handlebars based templating system. Finally, WireMock is easy to integrate into any workflow due to its numerous extension points and comprehensive APIs.
Hegel is a universal property-based testing protocol and family of libraries, built on Hypothesis.
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TAP, the Test Anything Protocol, is a simple text-based interface between testing modules in a test harness. It decouples the reporting of errors from the presentation of the reports.
Cut your dev loop from hours to seconds. The fastest way to deliver code. Connect your local process and your cloud environment, and run local code in cloud conditions.
mirrord lets you run your microservice locally with seamless access to everything in the cloud—speeding up development, improving code quality, and reducing cloud costs.
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Automated tests for your infrastructure code.
Terratest is a Go library that provides patterns and helper functions for testing infrastructure, with 1st-class support for Terraform, Packer, Docker, Kubernetes, AWS, GCP, and more.
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Automated API Testing From Live Traffic. Node.js SDK for capturing and replaying API calls made to/from your service.
The Node.js Tusk Drift SDK enables fast and deterministic API testing by capturing and replaying API calls made to/from your service. Automatically record real-world API calls, then replay them as tests using the Tusk CLI to find regressions. During replay, all outbound requests are intercepted with recorded data to ensure consistent behavior without side-effects.
Not just a mock server. Turn an OpenAPI spec into TypeScript-based simulation, with state management, hot reload, and a REPL.
Point Counterfact at an OpenAPI spec and get a live, stateful API in seconds — with TypeScript safety, hot reload, shared state, and a programmable REPL.
BDD Framework for .NET.
Enhance your automated tests The free & open source BDD-Framework for .NET
End-to-end testing framework for Ansible. Monkeyble is a callback plugin for Ansible that allow to execute end-to-end tests on Ansible playbooks with a Pythonic testing approach.
Inject chaos into your Laravel application with ease!
Laravel Bazooka is a powerful Laravel package that allows you to inject controlled chaos into your application. Whether you're testing resilience, simulating failures, or just having fun, Bazooka provides a simple and configurable way to disrupt your application's behavior.
Test Your Connection Quality. This site uses cutting-edge WebRTC technology to check your Internet connection's packet loss, latency, and latency jitter in your browser for free. These problems can all be caused by various similar issues, which hopefully you will be able to find and fix using this easy way to test for them.
RAMPART: Risk Assessment & Measurement Platform for Agentic Red Teaming.
RAMPART is a pytest-native safety testing framework for agentic AI applications. You write tests that attack or probe your agent, and RAMPART orchestrates the interaction, evaluates the outcome, and reports the results.
Run Locally, Deploy Globally
Develop and test your AWS applications locally to reduce development time and increase product velocity. Reduce unnecessary AWS spend and remove the complexity and risk of maintaining AWS dev accounts
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Code coverage tool for Bash. Bashcov is a code coverage analysis tool for Bash. In most cases, you'll want overall coverage results for your project from shUnit2, Bats, bash_unit, assert.sh, bashaspec, etc. Bashcov automatically takes care of this by caching and merging results when generating reports, so your report includes coverage across your test suites and thereby gives you a better picture of blank spots. It uses the SimpleCov coverage library to generate HTML reports. SimpleCov gets installed automatically when you install Bashcov.
the fun, simple, flexible JavaScript test framework. Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun. Mocha tests run serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases. Hosted on GitHub.
Most testing is ineffective.
Hypothesis is a new generation of tools for automating your testing process. It combines human understanding of your problem domain with machine intelligence to improve the quality of your testing process while spending less time writing tests.
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Dioptra is a software test platform for assessing the trustworthy characteristics of artificial intelligence (AI). Trustworthy AI is: valid and reliable, safe, secure and resilient, accountable and transparent, explainable and interpretable, privacy-enhanced, and fair - with harmful bias managed1. Dioptra supports the Measure function of the NIST AI Risk Management Framework by providing functionality to assess, analyze, and track identified AI risks.
LISA is developed and maintained by Microsoft, to empower Linux validation. Linux Integration Services Automation (LISA) is a Linux quality validation system, which consists of two parts：
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A test framework to drive test execution.
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A set of test suites to verify Linux kernel/distribution quality.
GNS3 allows to emulate, configure, test and troubleshoot virtual and real networks. GNS3 allows you to run a small topology consisting of only a few devices on your laptop, to those that have many devices hosted on multiple servers or even hosted in the cloud.
Testcontainers is an open source framework for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything that can run in a Docker container.
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data plane testing utility of cloud native.
kdoctor is a Kubernetes data plane testing component that conducts functional and performance tests on clusters using proactive pressure injection. It addresses the operational needs of network, storage, and applications by adopting a cloud-native approach based on extensive research and abstraction. With its CRD design, kdoctor can seamlessly integrate with observability components.
Test your front-end against a real API.
A hosted REST-API ready to respond to your AJAX requests.
Reqres simulates real application scenarios. If you want to test a user authentication system, Reqres will respond to a successful login/register request with a token for you to identify a sample user, or with a 403 forbidden response to an unsuccessful login/registration attempt.
pycobertura is a generic Cobertura report parser. It was also designed to help prevent code coverage from decreasing with the pycobertura diff command: any line changed should be tested and uncovered changes should be clearly visible without letting legacy uncovered code get in the way so developers can focus solely on their changes.
Property-based testing for web UIs, autonomously exploring and validating correctness properties, finding harder bugs earlier.
Runs in your local developer environment, in CI, and inside Antithesis.
Thou Shalt Write Tests.
A toolkit with common assertions and mocks that plays nicely with the standard library.
Go code (golang) set of packages that provide many tools for testifying that your code will behave as you intend.
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Open-source Solution for AI Quality. The testing framework dedicated to ML models, from tabular to LLMs Scan AI models to detect risks of biases, performance issues and errors. In 4 lines of code.
Test d'applications Web : Cerberus encapsule le moteur Selenium, capable de lancer des tests à partir de réels navigateurs web en executant directement des actions utilisateur. Test d'applications Back Office de type service ou batch : Definisez vos SQL à lancer. Test d'infocentres et outils decisionels.
Quality Without compromise. Achieve effortless quality with zero coding, zero maintenance, and the autonomous power of the world's first open-source testing agent.
Welcome to Hercules, the world's first open-source testing agent that's here to lift your testing burdens with the strength of a mythological hero.
Build High-Quality Software with AI‑Powered Testing.
Empowering your testing journey with precision and efficiency. Our AI-augmented tools ensure not just excellence but also the ability to deliver high-quality software at scale.
Easier than "sacarse los mockos".
Create API mocks collaboratively, fully online and with custom code logic.
atoum, the modern, simple and intuitive PHP test framework.
atoum is a simple, modern and intuitive unit testing framework for PHP! It is completely standalone, everything is available and works out of the box.