Responsa is described as 'Responsive design tool for testing how designs will look across multiple browsers. The open-source tool is freely available online, with the code being accessible for those seeking a self-hosted solution as well' and is an app. There are 2 alternatives to Responsa for Mac, Windows, Linux and Web-based. The best Responsa alternative is LT Browser, which is free.
Enables real-time debugging of websites on mobile and tablet views, supports 50+ device profiles, allows side-by-side testing, custom device setups, separate Dev Tools for each device, and screens for responsive design, all within a web-based platform.
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ScreenSize.net is a lightweight, zero-clutter web utility designed to streamline the responsive design process. Whether you are a front-end developer building layouts or a UI/UX designer verifying breakpoints, this tool provides instant, accurate data on screen resolutions, CSS...
