Firefox

Firefox is a free open source web (and file) browser developed by the. Extensions or themes can be developed and integrated into the application according to the user's preferences.

History
After Netscape was acquired by AOL, the Netscape Navigator browser was discontinued and the source code was released to the, which began development of Firefox under the codename Phoenix in 2002 and released it in November 2004.

Plug-ins such as Flash Player have been deemed a security issue and were deprecated in 2017, to be phased out by the end of 2020.