It is still partially maintained with fixes and patches from Waterfox and Firefox ESR releases. Waterfox Classic is a version of the browser based on an older version of the Gecko engine that supports legacy XUL and XPCOM add-on capabilities that Firefox removed in version 57.

However, it collects technical information about the user's device to update properly. It disables telemetry and Pocket by default, which are present in Firefox builds. It is also compatible with Google Chrome and Opera extensions. Waterfox shares core features and technologies like the Gecko browser engine and support for Firefox Add-ons with Firefox. It was initially created to provide official 64-bit support, back when Firefox was only available for 32-bit systems. There are official Waterfox releases for Windows, macOS, and Linux. It claims to be ethical and user-centric, emphasizing performance and privacy.

Waterfox is a free and open-source web browser and fork of Firefox. Web browser, mobile web browser, feed reader

Waterfox Current G6.0.3 free