Thunder Client
Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.
Similar Tools
Jest is a delightful JavaScript Testing Framework with a focus on simplicity.
Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.
Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.
Test, scrape, generate, and automate without the pain and expense of hosting your own headless browsers.
Better than a generic video, see YOUR test, live, ready to show you what matters most: quality at scale.
Getting tests that catch real failures is the hard part. Join us on Oct 8 and see how it's done.
How are teams like yours balancing speed, quality, security, and AI in 2026? Download your copy and get real insights.
A live look at agentic testing workflows in action!