Firefox

Firefox Software: Mozilla Foundation and contributorsWebsite and content: Wikimedia Foundation, Alan Jamieson, Colin / Wikimedia Commons, Japan Meteorological Agency, Martin Kraft, and contributorsScreenshot: VulcanSphere, CC BY 4.0

Free and open source web browser

Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. It uses the Gecko rendering engine to display web pages, which implements current and anticipated web standards. The software is available for Windows, macOS, and Linux systems, with unofficial ports for other platforms, as well as a mobile version for Android and iOS.

Also known as...Firefox browser