Testing

Data Designer is a general framework for generating high-quality synthetic data from scratch or using your own seed data as a starting point for domain-grounded data generation.

Testcontainers is an opensource library for providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Tracetest End-to-end Tests Powered by Your OpenTelemetry Traces

Bats is a TAP-compliant testing framework for Bash. It provides a simple way to verify that the UNIX programs you write behave as expected. A Bats test file is a Bash script with special syntax for defining test cases. Under the hood, each test case is just a function with a description.

A free test data generator and API mocking tool - Mockaroo lets you create custom CSV, JSON, SQL, and Excel datasets to test and demo your software.

FREE tools to test your website performance, domain security, whois hosting, screenshot, PING, traceroute and more

APIs.guru - Wikipedia for Web APIs.

Design & Debug APIs like a human, not a robot

Deque Systems provides web and mobile accessibility solutions so you can meet compliance goals and help make the web accessible to all users.

A hosted REST-API ready to respond to your AJAX requests

The internet consumes a lot of electricity. 416.2TWh per year to be precise. To give you some perspective, that’s more than the entire United Kingdom.

The Operations Report Card

A collection of Progressive Web App case studies.

Solve accessibility issues before they reach your customers.

OnlineOrNot regularly tests your GraphQL server, letting you know instantly if anything goes wrong.

TestProject is a cross platform and cross browser framework that is designed for testing Web, iOS & Android applications.

imgix Page Weight Tool measures the resources on your site and then recommends how to improve your site’s load time.

Fast, easy and reliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

Visual testing as a service

Automated visual application testing and monitoring

Argos's visual regression system gives you high confidence in doing change

Free online web performance tool. Audit your webpage for performance and front-end quality issues. And it's open-source!

Website Grader is a free online tool that grades your site against key metrics like performance, mobile readiness, SEO, and security.

Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.

Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the world's best penetration testing software now