Sites and apps similar to MultiGlancer include Responsively, which is free and open source. Other options are Polypane, Sizzy, Blisk and Solis. In total there are seven Web Debuggers like MultiGlancer for Mac, Windows and Linux.
Develop responsive web apps 5x faster! A must-have DevTool for all Front-End developers that will make your job easier.
United States
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.
Netherlands
EU
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.
Ukraine
Solis is a Live Design Output that integrates seamlessly with your favourite code editor to deliver real time, multi viewport previewing of HTML, CSS, SASS and LESS as you write it.
United Kingdom
A Chrome extension that overlays real phone and tablet frames over any live website, so you see the desktop and mobile layout side by side at the same time.
Responsinator helps website makers quickly get an indication of how their responsive site will look on the most popular devices.
