Thunder Client
Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.
Similar Tools
Browser and Mobile Automation Test Framework for Node.js
Hoppscotch is an open-source API development ecosystem that helps you create and test your API requests saving precious time in development.
Voiden is a developer-first API client with local storage, Git-integrated, all based on markdown + offline support.
Jest is a delightful JavaScript Testing Framework with a focus on simplicity.
Professional software tool for HTTP testing and debugging
With servers in >250 cities around the world, check your site for localization problems, broken GDPR banners, etc.
Test complex APIs and microservices smarter—with confidence.
Catch the on-demand session with gaming legend John Romero and see how we’re redefining software quality at AI speed.
How are teams like yours balancing speed, quality, security, and AI in 2026? Download your copy and get real insights.