The following tables compare general and technical information for a number of layout engines. Please see the individual products' articles for further information. This article is not all-inclusive or necessarily up-to-date. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs. A layout engine, or rendering engine, is a software that takes web content (such as HTML, XML, image files, etc) and formatting information (such as CSS, XSL, etc) and displays the formatted content on the screen. ...

General information

Basic general information about the engines: creator/company, license, etc.

• ^  Only officially available as part of Microsoft Office 2004 for Mac (price shown is for Standard edition)
• ^  While the source code is not free, the Trident engine is available as a DLL module for free, excluding the cost of Microsoft Windows.

ISO 4217 Code USD User(s) the United States, the British Indian Ocean Territory,[1] the British Virgin Islands, Cambodia, East Timor, Ecuador, El Salvador, the Marshall Islands, Micronesia, Palau, Panama, Turks and Caicos Islands, and the insular areas of the United States Inflation 2. ... Open source refers to projects that are open to the public and which draw on other projects that are freely available to the general public. ... A software license is a legal agreement which may take the form of a proprietary or gratuitous license as well as a memorandum of contract between a producer and a user of computer software. ... Epiphany using Gecko to render the Wikipedia main page Gecko is the open source, free software web browser layout engine used in all Mozilla-branded software and its derivatives, including later Netscape releases. ... The Mozilla Corporation is a wholly owned subsidiary of the Mozilla Foundation that coordinates and integrates the development of Internet-related applications such as the Mozilla Firefox web browser and the Mozilla Thunderbird email client by the growing global community of open-source developers, only some of whom are employed... In computing, the Mozilla Public License (MPL) is an open source and free software license. ... The GNU logo The GNU General Public License (GNU GPL or simply GPL) is a widely-used free software license, originally written by Richard Stallman for the GNU project. ... GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is a free software license published by the Free Software Foundation. ... Mozilla Firefox is a graphical web browser developed by the Mozilla Corporation and a large community of external contributors. ... iCab is a highly-configurable web browser for the Macintosh by iCab Company. ... Proprietary software is software with restrictions on using, copying and modifying as enforced by the proprietor. ... iCab is a highly-configurable web browser for the Macintosh by iCab Company. ... Konqueror using KHTML to render the Wikipedia front page. ... KDE (K Desktop Environment) (IPA: ) is a free software project which aims to be a powerful ecosystem for an easy-to-use desktop environment. ... GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is a free software license published by the Free Software Foundation. ... Konqueror is a file manager, web browser and file viewer, which was developed as part of the K Desktop Environment (KDE) by volunteers and runs on most Unix-like operating systems. ... Presto is the name of the current (Opera 9 series) layout engine for the Opera web browser developed by Opera Software. ... Logo of Opera Software. ... Proprietary software is software with restrictions on using, copying and modifying as enforced by the proprietor. ... Opera is an Internet suite which handles common internet-related tasks, including visiting web sites, sending and receiving e-mail messages, managing contacts, and online chat. ... Robin is the name of the layout engine for the The Bat! e-mail client developed by Ritlabs. ... Proprietary software is software with restrictions on using, copying and modifying as enforced by the proprietor. ... The Bat! is an e-mail client for the Microsoft Windows operating system. ... Tasman is the name of the layout engine introduced with version 5 of Internet Explorer for Mac. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... Proprietary software is software with restrictions on using, copying and modifying as enforced by the proprietor. ... Microsoft Entourage is an e-mail client and personal information manager developed by Microsoft for Mac OS 8. ... Trident (also known as MSHTML) is the name of the layout engine for the Microsoft Windows version of Internet Explorer. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... Proprietary software is software with restrictions on using, copying and modifying as enforced by the proprietor. ... It has been suggested that Internet Explorer 7 be merged into this article or section. ... WebCore is a framework developed by Apple, and licensed under the LGPL, to provide an HTML layout engine for Mac OS X. It is one of the two primary components of the WebKit framework (the other being JavaScriptCore). ... Apple Inc. ... GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is a free software license published by the Free Software Foundation. ... Safari is a web browser developed by Apple Inc. ... In computer science, a library is a collection of subprograms used to develop software. ... Microsoft Windows is the name of several families of proprietary software operating systems by Microsoft. ...

Release history

A brief overview of the release history.

Epiphany using Gecko to render the Wikipedia main page Gecko is the open source, free software web browser layout engine used in all Mozilla-branded software and its derivatives, including later Netscape releases. ... December 7 is the 341st day (342nd in leap years) of the year in the Gregorian calendar. ... 1998 (MCMXCVIII) was a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean [1]. // Coated in ice, power and telephone lines sag and often break, resulting in power outages. ... March 19 is the 78th day of the year in the Gregorian calendar (79th in leap years). ... 1999 (MCMXCIX) was a common year starting on Friday, and was designated the International Year of Older Persons by the United Nations. ... February 23 is the 54th day of the year in the Gregorian calendar. ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini (common) era. ... iCab is a highly-configurable web browser for the Macintosh by iCab Company. ... August 18 is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... For the Manfred Mann album, see 2006 (album). ... Konqueror using KHTML to render the Wikipedia front page. ... October 2000 : January - February - March - April - May - June - July - August - September - October - November - December Events October 1 - 2 - Nine Israeli-Arabs are killed by Israeli security forces after a riot/violent demonstration of solidarity with Palestinians under military rule in the West Bank and Gaza. ... January 25 is the 25th day of the year in the Gregorian calendar. ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini (common) era. ... Presto is the name of the current (Opera 9 series) layout engine for the Opera web browser developed by Opera Software. ... November 13 is the 317th day of the year (318th in leap years) in the Gregorian calendar, with 48 days remaining. ... For album titles with the same name, see 2002 (album). ... January 28 is the 28th day of the year in the Gregorian calendar. ... 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... April 11 is the 101st day of the year in the Gregorian calendar (102nd in leap years). ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini (common) era. ... Robin is the name of the layout engine for the The Bat! e-mail client developed by Ritlabs. ... April 27 is the 117th day of the year (118th in leap years) in the Gregorian calendar, with 248 days remaining. ... 2000 (MM) was a leap year starting on Saturday of the Gregorian calendar. ... April 27 is the 117th day of the year (118th in leap years) in the Gregorian calendar, with 248 days remaining. ... 2000 (MM) was a leap year starting on Saturday of the Gregorian calendar. ... December 27 is the 361st day of the year in the Gregorian calendar (362nd in leap years). ... For the Manfred Mann album, see 2006 (album). ... Tasman is the name of the layout engine introduced with version 5 of Internet Explorer for Mac. ... March 27 is the 86th day of the year in the Gregorian calendar (87th in leap years). ... 2000 (MM) was a leap year starting on Saturday of the Gregorian calendar. ... March 27 is the 86th day of the year in the Gregorian calendar (87th in leap years). ... 2000 (MM) was a leap year starting on Saturday of the Gregorian calendar. ... May 11 is the 131st day of the year in the Gregorian calendar (132nd in leap years). ... 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... Trident (also known as MSHTML) is the name of the layout engine for the Microsoft Windows version of Internet Explorer. ... 1997 (MCMXCVII) is a common year starting on Wednesday of the Gregorian calendar. ... This page meets Wikipedias criteria for speedy deletion. ... October 18 is the 291st day of the year (292nd in leap years). ... For the Manfred Mann album, see 2006 (album). ... WebCore is a framework developed by Apple, and licensed under the LGPL, to provide an HTML layout engine for Mac OS X. It is one of the two primary components of the WebKit framework (the other being JavaScriptCore). ... January 7 is the seventh day of the year in the Gregorian calendar. ... 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... June 23 is the 174th day of the year (175th in leap years) in the Gregorian calendar, with 191 days remaining. ... 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... March 13 is the 72nd day of the year in the Gregorian calendar (73rd in leap years). ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the Anno Domini (common) era. ...

Operating system support

The operating systems the engines can run on without emulation. An operating system (OS) is a set of computer programs that manage the hardware and software resources of a computer. ...

• Although dropped in current version, older versions of the Gecko layout engine for Mac OS 9 are still available for download from Netscape's Archived Products site.
• Most of WebCore runs natively on Windows, minus non-ported features such as SVG, Canvas, and plugins.

Microsoft Windows is the name of several families of proprietary software operating systems by Microsoft. ... Mac OS X (official IPA pronunciation: ) is a line of proprietary, graphical operating systems developed, marketed, and sold by Apple Inc. ... Sherlock 2 for Mac OS 9 with the new metallic appearance Mac OS 9, introduced by Apple Computer on 1999-10-23, is the last version of the Classic Macintosh Operating System (Mac OS) released before being succeeded by Mac OS X. Upon introduction, Mac OS 9 was advertised as... Linux (IPA pronunciation: ) is a Unix-like computer operating system family. ... BSD redirects here; for other uses see BSD (disambiguation). ... Filiation of Unix and Unix-like systems Unix (officially trademarked as UNIX®) is a computer operating system originally developed in the 1960s and 1970s by a group of AT&T employees at Bell Labs including Ken Thompson, Dennis Ritchie and Douglas McIlroy. ... Epiphany using Gecko to render the Wikipedia main page Gecko is the open source, free software web browser layout engine used in all Mozilla-branded software and its derivatives, including later Netscape releases. ... iCab is a highly-configurable web browser for the Macintosh by iCab Company. ... Konqueror using KHTML to render the Wikipedia front page. ... Presto is the name of the current (Opera 9 series) layout engine for the Opera web browser developed by Opera Software. ... Robin is the name of the layout engine for the The Bat! e-mail client developed by Ritlabs. ... Tasman is the name of the layout engine introduced with version 5 of Internet Explorer for Mac. ... Trident (also known as MSHTML) is the name of the layout engine for the Microsoft Windows version of Internet Explorer. ... WebCore is a framework developed by Apple, and licensed under the LGPL, to provide an HTML layout engine for Mac OS X. It is one of the two primary components of the WebKit framework (the other being JavaScriptCore). ...

WebCore notes

Linux, BSD and Unix support are through GTK-WebCore which is alpha software. The WebKit-project also has a GDK-port (WebKit 420+) in the repository. It uses drawing primitives from GTK+ rather than GTK+-widgets.

Standard support

• Comparison of layout engines (HTML)
• Comparison of layout engines (XML)
• Comparison of layout engines (XHTML)
• Comparison of layout engines (graphics)
• Comparison of layout engines (CSS)
• Comparison of layout engines (DOM)
• Comparison of layout engines (WHATWG)
• Comparison of layout engines (ECMAScript)

This article or section is incomplete and may require expansion and/or cleanup. ... The following tables compare XML compatibility and support for a number of layout engines. ... The following tables compare XHTML compatibility and support for a number of layout engines. ... The following tables compare graphics compatibility and support for a number of layout engines. ... // The following tables compare CSS compatibility and support for a number of layout engines. ... This article is 150 kilobytes or more in size. ... This article or section is incomplete and may require expansion and/or cleanup. ... This is meant to be a sister article to other comparison tables for layout engines. ...

See also

• List of layout engines
• Comparison of web browsers
• Comparison of e-mail clients