Browser Wars 1.0
- August 1996 - OS/2 Warp 4 released; included WebExplorer and a link to download Netscape Navigator, which wasn't finished in time for inclusion on the CD. Netscape Navigator 2.02 for OS/2 ended up with most of the Netscape 3.0 improvements, with the notable exception being the improvements to the display of frames.
- July 1997 - Netscape Communicator 4.0 released for Win/Mac/X11
- October 1997 - IE 4.0 released, the first version that seriously competed with Netscape. Microsoft supported Windows, MacOS, and X11 in those days, as they were intent on shutting out the competition.
- January 1998 - Netscape starts the open source Mozilla project, using the Netscape Communicator 4.x codebase. This ends up getting scrapped a year later, with a brand new Gecko engine developed.
- June 1998 - last IBM refresh of the OS/2 version of Netscape 2.02; the first public beta of 4.04 was released at the end of July
- February 1999 - last IBM refresh of the OS/2 version of Netscape 4.04

