Mozilla Firefox project (formerly Firebird, which was formerly Phoenix) is a redesign of Mozilla's browser component, written using the XUL user interface language and designed to be cross-platform.
Mozilla Firefox is a small, fast and very easy to use browser that offers many advantages over other web browsers, such as the ability to block pop-up windows and the tabbed browsing.

What's New in Firefox 2.0.0.5
Release Date: July 17, 2007

Security Update: The following security issues have been fixed.

Earlier Changes: For information about previous changes, please see the Firefox 2.0.0.4 Release Notes

Firefox 2 Features: For an overview, please see Firefox 2 Features.

Mozilla Firefox是一個自由的，開放源碼的瀏覽器，適用于 Windows、Linux 和 MacOS X平臺，它體積小速度快，還有其它一些高級特征,主要特性有：標簽式瀏覽,使上網沖浪更快；可以禁止彈出式窗口；自定制工具欄；擴展管理；更好的搜索特性；快速而方便的側欄。這個版本做了脫胎換骨的更新，代碼更優秀，功能更強大，包括安裝程序，界面和下載管理器都作了改進。

Download: Mozilla FireFox 2.0.0.5 簡體中文版