Firefox (2005) 1 Web Browser Windows Linux Mac OS X

Firefox is a web browser based on the open source Mozilla web browser. It was intended to be lighter weight and faster than Mozilla, separating the e-mail client in to the new Thunderbird product. At release, it implemented better support for web standards than Microsoft Internet Explorer. Firefox included features such as tabbed browsing and support for add-ons.

• 1.x
• 2.x
• 3.x

Internet Explorer (1995) 293 Web Browser Windows Unix MacOS Mac OS X

Microsoft Internet Explorer is a web browser application created by Microsoft primarily for Microsoft Windows. It was initially based on Spyglass Mosaic. At various points, Internet Explorer was also available for MacOS, Solaris, and HP-UX.

• 5

Mozilla (2002) 5 Web Browser Windows Linux Mac OS X

Mozilla is an open source web browser based on a rewrite of the Netscape web browser. Netscape Communications Corporation released the source code in 1998 with the intent that it would be used as the core of next Netscape browser. Shortly after the release, Netscape Communications Corporation was acquired by AOL. Mozilla was used for the basis of Netscape 6.x and 7.x. Mozilla (later codenamed SeaMonkey) was eventually reworked and became Firefox.

• 1.x