1 Open Source Alternatives to Polypane

A list of 1 carefully selected open-source alternatives to Polypane.

Created by

Adrian

Mar 9, 2025Updated•3 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of Polypane open-source alternatives — each with its own distinctive strengths and key features.

Responsively

23,096

1,214

Responsively is a modified web browser designed to simplify responsive web development. It enables developers to preview their websites across multiple devices simultaneously, enhancing testing and debugging efficiency.

Key Features

Simultaneous multi-device preview
Real-time mirrored interactions
Quick context switching with preview suites
Extensive built-in and custom device profiles
Unified inspector for multi-device debugging
One-click full-page and individual screenshots
Complete browser features including cookie and storage management
Free and open source

Responsively offers a seamless way to view your site on a variety of devices side-by-side. It mirrors interactions such as clicks and scrolls across all screens in real-time and lets you switch quickly between custom preview suites. With features like an extensive collection of device profiles, a unified inspector, one-click screenshots, and complete browser functionalities including cookie and storage management, this Electron-based tool optimizes and accelerates your development workflow.

Learn more about Responsively

Price comparison of Polypane open-source alternatives

Tool	Tier 1	Details
Responsively	$0 Free	Learn more

* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.

About Polypane

Polypane is a brand that offers a stand-alone browser designed to help ambitious web developers build responsive, accessible, and fast websites. With all the necessary tools in one app, Polypane simplifies the development process, allowing developers to focus on their craft and polish their websites. Polypane caters to developers, designers, QA professionals, and marketers looking to improve their workflow. The browser provides a comprehensive set of features, including responsive design for viewing mobile screens to 5K monitors, accessibility tools to ensure that websites work for everyone, and site quality tools to enhance the user experience across devices and networks. Polypane goes beyond simply identifying issues with a website; it is prescriptive, providing actionable insights on what needs improvement and how to achieve it. This saves developers valuable time and eliminates the need for third-party tests. Founded by Kilian, a web developer with nearly 20 years of experience, Polypane was born out of the frustration of constantly resizing browsers. Kilian's goal is to create the perfect browser for developers and designers, and he is committed to continuously enhancing Polypane. In addition to Polypane, Kilian also works on other projects, including Superposition and FromScratch, and actively contributes to the open-source community. Connect with Kilian on Twitter, LinkedIn, or via email to learn more. Start your next web development project with Polypane and enjoy a 14-day free trial on all plans, with no credit card required. Whether you're a Mac, Windows, or Linux user, Polypane's features are available to you. Join the community on Slack and experience the browser built for ambitious web developers.

This comparison data was compiled with AI assistance.

Polypane

The browser for ambitious developers. Build responsive, accessible and fast sites with a stand-alone browser. All the tools you need in one app.

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