Netscape Navigator 9.0.0.1 is a web browser developed by Netscape Communications Corporation, available for download in full install version for Windows platforms from legacy sources. This version of Netscape was officially released on 2007-10-19 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Netscape 9.0.0.1 is developed using Firefox 2.0.0.8 code base and Gecko layout engine and contains bug fixes and speed improvement over the early release.