Sizzy is described as 'A tool for developing responsive websites crazy-fast' and is a Web Debugger in the web browsers category. There are five alternatives to Sizzy for a variety of platforms, including Mac, Windows, Linux, Web-based and Microsoft Edge apps. The best Sizzy alternative is MultiGlancer, which is both free and Open Source. Other great apps like Sizzy are Responsively, Polypane, Blisk and Responsinator.
MultiGlancer is a minimalist and open-source tool I've developed to streamline the web development process. It allows developers to view their site on multiple web sizes simultaneously on a single screen. Born out of necessity while perfecting my landing page for ArcanePad.
MultiGlancer is the most popular Web-based alternative to Sizzy.
MultiGlancer is the most popular Open Source & free alternative to Sizzy.
Develop responsive web apps 5x faster! A must-have DevTool for all Front-End developers that will make your job easier.
It's free and works just fine.
Almost everyone thinks Responsively is a great Sizzy alternative.
Responsively is the most popular Windows, Mac & Linux alternative to Sizzy.
Polypane is a browser built from the ground up to create websites and apps. Polypane is the only browser that lets you develop a website for all viewports and devices at once, and gives you the best overview of them.
Polypane is the most popular commercial alternative to Sizzy.
Blisk is a browser for web developers, QA engineers, and web designers with built-in mobiles, tablets, laptops, and desktops. It provides teams and freelancers with a workspace to develop and test modern web applications twice faster.
Sizzy is just a clone of Blisk that copies Blisk features
Responsinator helps website makers quickly get an indication of how their responsive site will look on the most popular devices.
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Open source, Approachable and Developer friendly