Progressive Web Apps for Firefox is described as 'Progressive Web Apps (PWAs) are web apps that use web APIs and features along with progressive enhancement strategy to bring a native app-like user experience to cross-platform web applications. Although Firefox supports many of Progressive Web App APIs, it does not support' and is an app in the web browsers category. There are three alternatives to Progressive Web Apps for Firefox for Linux, Flathub and Flatpak. The best Progressive Web Apps for Firefox alternative is Spider, which is both free and Open Source. Other great apps like Progressive Web Apps for Firefox are Quick Web Apps and Web Apps.
Install and integrate web apps into GNOME desktop! Spider uses WebKit to display sites in isolated windows with icons, titles, and integrated themes, functioning as independent apps. It’s a lightweight, practical way to use web services like native applications on the Linux desktop.
Quick Web Apps written with love and libcosmic. Turn Any URL into a Web App, running in a separate window of any browser installed on your system, selected according to your preference. Integrates with your desktop environment (icon pinnable to the dock).
Install websites as desktop apps, so that they appear in their own windows separate from any browsers installed. Links to websites other than the one installed open in a new browser window. This is similar to the "Install as App" feature found in popular web browsers.
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