Apache JMeter
Open source load testing tool for web and other protocols
38 tools in our directory are marked as best for QA teams, from 11 sections: Testing & QA (19), APIs (6), AI Models & APIs (3), Design & UI (2) and 7 more sections.

Open source load testing tool for web and other protocols

All-in-one API platform for design, testing, mocking and docs


Accessibility testing platform built on the axe-core engine

Hosted mock server builder for REST, SOAP, GraphQL and gRPC APIs


Cloud platform for performance, API and load testing

Visual, interaction and accessibility tests for UI code

Platform for evaluating and monitoring AI apps across teams

Measures which Python code runs during your tests

Write automated acceptance tests in plain language


Spins up production-like Kubernetes environments for dev and test


Screen recorder for bug reports with logs and device details

Test management and automation platform for web, mobile and API

Open source test management for manual and automated tests

Load testing software for checking app speed under peak traffic


Local SMTP server and web inbox for testing outgoing email

Email API, SMTP and test sandbox for developer and product teams

Command line runner for Postman collections in CI


Open source accessibility testing tools for the command line and CI

Visual testing tool that catches UI changes before release


Open source tool for testing prompts and red teaming AI apps

Free hosted REST API for testing and prototyping with real responses

Desktop API client with local projects, mocks and Postman import

Keyword driven open source framework for test automation and RPA

Cloud testing on real devices, browsers and emulators

End-to-end browser testing for Node.js, with no WebDriver needed

AI-assisted UI test automation for web, mobile and Salesforce

Test case management and reporting software with AI features

Creates and manages reproducible virtual machines for development

Open source tool for simulating APIs in tests and development

Test management inside Jira for manual and automated tests

Free open source scanner for finding security flaws in web apps
Looking for something else? Browse the full directory.