Thunder Client
Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.
Similar Tools
Streamline your API testing, integration testing and test data management.
The World's first AI Driven Enterprise Software Reliability Platform
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.
Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.
Professional software tool for HTTP testing and debugging
Jest is a delightful JavaScript Testing Framework with a focus on simplicity.
With servers in >250 cities around the world, check your site for localization problems, broken GDPR banners, etc.
Manage your entire QA lifecycle in one place. Sync Jira, automate scripts, and use AI to accelerate your testing.
See autonomous QA in action with BearQ—from exploration to test generation. Trial access included.
QALS Summer'26: Scale AI testing from pilots to production with BrowserStack’s AI Test Platform