Waterfox Overview
Waterfox is an open-source web browser for Windows, macOS, and Linux, originally created by Alex Kontos as a 64-bit, privacy-oriented fork of Firefox. It is built on Firefox's Gecko engine and keeps Mozilla's extension and sync compatibility while removing telemetry and data-collection components and adjusting defaults toward privacy. Waterfox tracks Firefox releases for security updates but maintains its own configuration and a lighter data footprint. Over time the project has shipped two editions — Waterfox Classic, which kept support for legacy XUL add-ons, and the current Waterfox release, which is based on modern Firefox while preserving the project's privacy changes and search defaults. Saved as a full installer, Waterfox can be set up on a system with no network access. This page links to Waterfox's official Waterfox download.