Mozilla Firefox is a free and open source web browser descended from Mozilla Suite. As of 2011, Firefox had approximately 30% worldwide usage share and was most popular in Germany and Poland. It uses the Gecko layout engine and implements current web standards. Internet Explorer is a series of graphical browsers developed by Microsoft and included in Windows starting in 1995. It was the dominant browser for many years. Safari is Apple's default browser for Mac OS X and iOS, with the first version released in 2003.

1. Browsers Víctor Méndez

2. Mozilla firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. As of March 2011, Firefox is the second most widely used browser with approximately 30% of worldwide usage share of web browsers. The browser has had particular success in Germany and Poland, where it is the most popular browser with 60% usage and 47% respectively. To display web pages, Firefox uses the Gecko layout engine, which implements most current web standards in addition to several features that are intended to anticipate likely additions to the standards.

3. Version2.0: made its debut on August 16, 1995 Version 3.0:was released on June 17, 2008 Version3.6: Development for this version started on December 1, 2008. Version 3.5: The final release was on June 30, 2009. Version 4.0: Released on March 22, 2011.

4. Internet explorer is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems starting in 1995. It was first released as part of the add-on package Plus! for Windows 95 that year. Later versions were available as free downloads, or in service packs, and included in the OEM service releases of Windows 95 and later versions of Windows.

5. Internet Explorer 1:made its debut on August 16, 1995 Internet Explorer 2:November 22, 1995 Internet Explorer 3:was released on August 13, 1996. Internet Explorer 4: released in September 1997. Internet Explorer 5, launched on March 18, 1999. Internet Explorer 6 was released on August 27, 2001

6. Internet Explorer 7 was released on October 18, 2006. internet Explorer 8 was released on March 19, 2009. Internet Explorer 9 was released on 14 March 2011.

7. Opera is a web browser and Internet suite developed by Opera Software. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading files via BitTorrent, and reading web feeds. Opera is offered free of charge for personal computers and mobile phones. Opera has several security features visible to the end user. One is the option to delete private data, such as HTTP cookies, the browsing history, and the cache, with the click of a button. This lets users erase personal data after browsing from a shared computer.

8. Safari is a graphical web browser developed by Apple and included as part of the Mac OS X operating system. First released as a public beta on January 7, 2003 on the company's Mac OS X operating system, it became Apple's default browser beginning with Mac OS X v10.3"Panther". Safari is also the native browser for iOS.

9. Safari 1: Wascreate in January 7, 2003. Safari 2: Wascreate In April2005. Safari 3: WascreateonJanuary 9, 2007 Safari 4: Was create on June 2, 2008 Safari 5: Apple released Safari 5 on June 7, 2010

10. MAXTHON is a web browser for Microsoft Windows. The latest release, Maxthon 3, supports both the Trident and the WebKit rendering engines. Maxthon has developed a growing user base since its initial release in 2003, especially in China, so that in 2006, Maxthon 2.0 gained support of several sponsors.[In January 2006, Maxthon developers partnered with Microsoft in its booth at the Consumer Electronics Show. Maxthon won its first WebWare 100 Award in 2005. Subsequently, it won the WebWare 100 Award in 2008 and 2009. Versions:Version1.x, Version2.x,Version 3.x

11. Flock is a web browser that specializes in providing social networking and Web 2.0 facilities built into its user interface. Earlier versions of Flock used the Gecko HTML rendering engine by Mozilla. Version 2.6.2, released in July 2010, was the last version based on Mozilla. Starting with version 3, Flock is based on Chromium and so uses the WebKit rendering engine. Flock is available as a free download, and supports Microsoft Windows and Mac OS X platforms (previously also Linux).

12. avant is a freeware web browser from a Chinese programmer named Anderson Che, which unites the Trident layout engine built into Windows(see Internet Explorer shell) with an interface intended to be more feature-rich, flexible and ergonomic than Microsoft's Internet Explorer (IE). It runs on Windows 98 and above, including Windows Vista. As of November 2008, total downloads surpassed 22.5 million. Version: avant browser 11

13. Deepnet is a web browser created by Deepnet Security for the Microsoft Windows platform. The most recent version is 1.5.3 (BETA 3) which was Released October 19, 2006. Developed in Britain, Deepnet Explorer gained early recognition both for its use of anti-phishing tools and the inclusion of a peer-to-peer facility for file sharing, based on the Gnutella network.

14. The anti-phishing feature, in combination with other additions, led the developers to claim that it had a higher level of security than either Firefox or Internet Explorer—however, as the underlying rendering engine was still the same as that employed in Internet Explorer, it was suggested that the improved security would fail to address the vulnerabilities found in the rendering engine.

15. Camino Camino (fromthe Spanish word camino meaning "path") is a free, open source, GUI-based Web browser based on Mozilla's Gecko layout engine and specifically designed for the Mac OS X operating system. In place of an XUL-based user interface used by most Mozilla-based applications, Camino uses Mac-native Cocoa APIs.

16. Seamonkey is a free and open source cross-platform Internet suite. It is the continuation of the former Mozilla Application Suite, based on the same source code. Core Mozilla project source code is licensed under a disjunctive tri-license that gives the choice of one of the three following sets of licensing terms: Mozilla Public License, version 1.1 or later, GNU General Public License, version 2.0 or later, GNU Lesser General Public License, version 2.1 or later

17. Netsurf is an open source web browser which runs on a variety of platforms including RISC OS, OS and Unix-like systems. NetSurf has features that include tabbed browsing, text selection and PDF export. Running on other platforms is also possible by building from source, with the developers intending to add further binaries when time can be found to do so