Waterfox Screenshot of Waterfox version 55.2.2 running on Windows 10, showing the English Wikipedia Developer(s) Alex Kontos Initial release 27 March 2011 Stable release Desktop 56.0.4 / 1 February 2018 (2018-02-01)[1] Android 56.1.0 / 25 March 2018 (2018-03-25)[2] Repository https://github.com/MrAlex94/Waterfox Development status Active Written in C/C++, CSS, JavaScript, XUL Operating system Windows 7 or later, macOS, Linux, Android Platform x86-64 Type Web browser, mobile web browser, feed reader License Mozilla Public License Website www.waterfoxproject.org