Fluid is described as 'Are you a Gmail, Facebook, Basecamp or Pandora fanatic? Do you have 20 or more browser tabs open at all times? Are you tired of some random site or ad crashing your browser and causing you to lose data in other tabs?' and is an app in the OS & Utilities category. There are more than 25 alternatives to Fluid for a variety of platforms, including Mac, Linux, Windows, Online / Web-based and Google Chrome. The best alternative is GNOME Web, which is both free and Open Source. Other great apps like Fluid are WebCatalog (Freemium, Open Source), Coherence X (Paid), Web2Desk (Free) and Applicationize (Free, Open Source).
Progressive Web Apps (PWAs) are cutting-edge websites that behave like native apps. They're installable, fast, work offline, and open in their own native window. Pep turns your existing website into a PWA with one line of code.