Responsively

Responsively

A modified web browser that helps in responsive web development.

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Responsively App fundamentally accelerates front-end development by allowing developers to view a web application across multiple device breakpoints simultaneously in a single window.

Any interaction on one device view is mirrored across all others. Whether you scroll, click, or type, the synchronization saves immense amounts of time during UI testing and responsive CSS debugging.

Key Features

Mirrored user interactions across multiple viewports
Customizable device layouts and custom devices
Built-in screenshot tools
Hot-reloading integration
Browser extensions available

Frequently Asked Questions

Is Responsively free and open source?

Yes, Responsively is open source. It is released under the AGPL 3.0 license.

What can I use instead of BrowserStack?

You can use Responsively as a free, open-source alternative to BrowserStack.

What is Responsively written in?

It is built using JavaScript, HTML, TypeScript, CSS, EJS.

Project Details

Status Active
GitHub Stars 25,223
Forks 1,404
Open Issues 326
Last Commit Oct 3, 2026
License
AGPL 3.0
Platforms
Windows macOS Linux
Categories
Developer Tools
Submitted by
Pakrosoft Editorial

Alternative To

⇄ BrowserStack ⇄ Sizzy

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