
Mockaroo
JSON Generator
MockTurtle.net
ExtendsClass's JSON generator allows to generate random JSON data from a template.
Browser Use
Perplexity Comet
Web AI Browser
Dia Browser
Agentic Browser
Pickle Browser
Zen Browser
BrowserOS is an open-source agentic browser that runs AI agents locally. Your privacy-first alternative to Perplexity Comet.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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BOS
BrowserOS
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|---|---|---|
| Website | extendsclass.com | browseros.com |
| Pricing | — | |
| Company | 2019 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
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Can AI Agents Finally Automate the Web? (BrowserOS Review)
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Create mock and sample JSON using a powerful template syntax
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Comet is a browser that's designed to be a thought partner and assistant for every aspect of your digital life: work and personal.
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Generate realistic random JSON data through a simple and intuitive GUI.
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SwiftUI-powered macOS browser featuring native WebKit rendering, local AI using Apple MLX, adaptive tab hibernation, granular privacy controls, incognito mode, comprehensive keyboard shortcuts, ad blocking, secure password management, and built-in d…
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