Web browsers using Gecko (Firefox’s engine): GNU IceCat, Waterfox, K-Meleon, Lunascape, Portable Firefox, Conkeror, Classilla, TenFourFox.
Web browsers using the Goanna engine (which is a fork of Gecko): Pale Moon, Basilisk.
Flow is a web browser with its own proprietary browser engine.
The other active engines listed are: WebKit (Apple’s engine), and Blink (Google’s engine, which they forked off of WebKit, and which is used for Chrome, Chromium, and countless other browsers).
https://en.m.wikipedia.org/wiki/Comparison_of_browser_engines
Thanks.
For anyone else interested, as of November 2023:
Web browsers using Gecko (Firefox’s engine): GNU IceCat, Waterfox, K-Meleon, Lunascape, Portable Firefox, Conkeror, Classilla, TenFourFox.
Web browsers using the Goanna engine (which is a fork of Gecko): Pale Moon, Basilisk.
Flow is a web browser with its own proprietary browser engine.
The other active engines listed are: WebKit (Apple’s engine), and Blink (Google’s engine, which they forked off of WebKit, and which is used for Chrome, Chromium, and countless other browsers).