Mozilla Firefox (en-US)
Free Gecko-based browser from Mozilla, version 159.0, 90.2 MB for Windows
2 apps on TopDown APK www.mozilla.org
Mozilla offers two apps in this catalog, both for Windows and both in the web browsers category. The first is Mozilla Firefox (en-US), last updated October 27, 2026, and released under the MPL-2.0 license.
The second is Zen Browser, last updated March 8, 2025, also under MPL-2.0. Developer details are available at mozilla.org.
Free Gecko-based browser from Mozilla, version 159.0, 90.2 MB for Windows
Free Firefox-based Windows browser, 74.9 MB, version 1.9b, MPL-2.0 licence