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). In software development, a framework is a defined support structure in which another software project can be organized and developed. ... Apple Computer, Inc. ... GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is an FSF approved free software license designed as a compromise between the GNU General Public License and simple permissive licenses such as the BSD license and the MIT License. ... A piece of HTML code with syntax highlighting In computing, Hypertext Markup Language (HTML) is a markup language designed for the creation of web pages with hypertext and other information to be displayed in a web browser. ... 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. ... Mac OS X is the operating system which is included with all currently shipping Apple Macintosh computers in the consumer and professional markets. ... WebKit is an application framework included with Mac OS X v10. ... JavaScriptCore is a framework developed by Apple that provides a JavaScript engine for Mac OS X. It, along with WebCore, make up WebKit. ...

WebCore combines the open source KHTML layout engine developed by the KDE project, with an adapter library called KWQ (pronounced Quack). Apple created the KWQ adapter to replace KHTML's dependency on code from the Qt toolkit and other KDE modules. KWQ also presents an Objective-C application programming interface to the C++-based KHTML rendering engine, allowing it to easily be referenced by Cocoa-based applications. 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. ... Konqueror using KHTML to render the Wikipedia front page. ... The neutrality of this article is disputed. ... Illustration of an application which may use libvorbisfile. ... KWQ is Apples port of Qt that allows its version of the KHTML rendering engine to function in Mac OS X. KWQ and KHTML together make up the OS X WebCore framework. ... In computer programming, the Qt toolkit is a cross-platform graphical widget toolkit for the development of GUI programs. ... Objective-C, often referred to as ObjC or more seldomly as Objective C or Obj-C, is an object oriented programming language implemented as an extension to C. It is used primarily on Mac OS X and GNUstep, two environments based on the OpenStep standard, and is the primary language... An application programming interface (API) is the interface that a computer system, library or application provides in order to allow requests for service to be made of it by other computer programs, and/or to allow data to be exchanged between them. ... C++ (pronounced see plus plus, IPA: ) is a general-purpose computer programming language. ... A Cocoa application being developed using Xcode. ...

Apple announced WebCore at the January 7, 2003 Macworld Expo with the release of the Safari web browser. Later that day the developers submitted their changes to the KHTML library to the KDE project [1]. Later, in June 2005, Apple further opened access to their CVS (now, Subversion) source code repository and Bugzilla bug database, its previously closed nature once being an obstacle to merging WebCore changes back into KHTML.[2] 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. ... Produced by Boston-based IDG World Expo, Macworld Conference & Expo is a trade show dedicated to the Apple Macintosh platform with conference tracks occurring twice a year in the United States. ... Safari is a web browser developed by Apple Computer, Inc. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... The term CVS can stand for: Antisubmarine aircraft carriers (CVS), United States Navys hull classification symbol. ... Subversion (also known as svn, for that is the name of its command-line tool) is a version control system designed specifically to replace CVS, which is considered to have many deficiencies. ... Bugzilla is a general-purpose bug-tracking tool originally developed and used by the Mozilla Foundation. ...

Since then, a number of projects have built on the WebCore library, porting it to other platforms like Nokia mobile or the cross-platform GNUstep libraries, or adopting it for use in their own browsers like Omni Group's OmniWeb browser. Nokia Corporation NYSE: NOK is one of the worlds largest telecommunications equipment manufacturers. ... GNUstep is a free software implementation of NeXTs OpenStep Objective-C libraries (called frameworks), widget toolkit, and application development tools not only for Unix-like operating systems, but also for Microsoft Windows. ... The Omni Group is a company that develops software for the Mac OS X platform. ... OmniWeb is a web browser developed by the Omni Group for the Mac OS X operating system. ...

Although Mac developers can use WebCore to incorporate an HTML layout engine into their applications, Apple recommends the use of WebKit, which is included by default from Mac OS X version 10.2.7 onwards and whose interfaces are stable.

WebCore based applications

• iWeb — websites creation software released by Apple and included in iLife '06.
• Mail — The Mac OS X email client software.
• OmniWeb — a web browser produced by the Omni Group for Mac OS X.
• Sandvox — an easy to use websites creation software and W3C compliant.
• Shiira — a free open source browser which aims to be better and more useful than Safari.
• RapidWeaver — an easy to use websites creation software and W3C compliant.

iWeb is a software product made by Apple Computer. ... iLife 06 Box iLife is a collection of software products created by Apple to create, organize, view and manipulate digital content designed for Mac OS X. As of iLife 06, iLife consists of six components: iTunes, iPhoto, iMovie, iDVD, GarageBand, and iWeb. ... Mail (aka Mail. ... OmniWeb is a web browser developed by the Omni Group for the Mac OS X operating system. ... The Omni Group is a company that develops software for the Mac OS X platform. ... The World Wide Web Consortium (W3C) is a consortium that produces standards—recommendations, as they call them—for the World Wide Web. ... Shiira is a web browser for the Mac OS X operating system. ... Safari is a web browser developed by Apple Computer, Inc. ... RapidWeaver is a Mac OS X only, website building tool. ... The World Wide Web Consortium (W3C) is a consortium that produces standards—recommendations, as they call them—for the World Wide Web. ...

See also

• List of layout engines
• Comparison of layout engines

The following is a list of layout engines. ... The following tables compare general and technical information for a number of layout engines. ...

External links

• WebCore at developer.apple.com
• WebKit Open Source Project — launched by Apple in June 2005
• Greetings from the Safari team at Apple Computer — initial communication between WebCore and KHTML teams
• Gtk+ WebCore — Nokia port of WebCore
• Atlantis browser — based on GTK-WebCore