The industry standard for API mocking in JavaScript.
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Open-source, secure environment with real-world tools for enterprise-grade agents.
A CLI dashboard for webpack dev server
Redux DevTools extension.
Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.
Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!
Reactide is the first dedicated IDE for React web application development.
🏩 A simple process manager for developers. Start apps from your browser and access them using local domains
Next-gen browser and mobile automation test framework for Node.js
Automating Web Performance testing with Puppeteer 🎪
Redux DevTools remotely.
Apache Geb: Very Groovy Browser Automation
In-App MongoDB Editor for Meteor (Meteor DevTools)
:bug: A bug reporter and bug playback tool for redux. :bug:
In-page HTTP controller for frontend development. Intercept, modify, and simulate API responses directly in the browser.
⚓️ Anchr provides you with a toolbox for tiny tasks on the internet, especially bookmark collections
Streamline Your Node.js Debugging Workflow with Chromium (Chrome, Edge, More) DevTools.
Sloth - an extension slowing down page loading to bring real user experience
A command line interface for Git Checkout. See branches available for checkout.
Dispatch your actions manually to test if your app reacts well.
:tophat: A single tab web browser built with puppeteer. Also, no client-side JS. Viewport is streamed with MJPEG. For realz.
Claude Code plugin for visual docs — annotated screenshots, feature demos, flow walkthrough recordings (gif/mp4), terminal captures and before/after composites, one command each. Self-contained Chromium, self-validated output, no MCP.