OmniWeb 5.6 under Mac OS X 10.5.0
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Developer(s) | The Omni Group |
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Initial release | March 17, 1995 |
Stable release | 5.11.2 (July 23, 2012 | )
Preview release | 6.0-r279022 (February 10, 2017 | )
Operating system | OS X 10.4.8 or later |
Available in | English, Finnish, French, German, Italian, Japanese, Simplified Chinese, Swedish, |
Type | Web browser |
License | Proprietary (browser), LGPL (WebKit) |
Website | omnigroup |
OmniWeb is a proprietary Internet web browser developed and marketed by The Omni Group, currently developed exclusively for Apple Inc.'s Mac OS X operating system. It is available as a free download.
OmniWeb was originally developed by Omni Group for the NeXTSTEP platform, and was released by Lighthouse Design on 17 March 1995 after only one month's development time. As NextStep evolved into OpenStep and then Mac OS X, OmniWeb was updated to run on these platforms. OmniWeb also was able to run on Microsoft Windows through the Yellow Box or the OpenStep frameworks. After Lighthouse Design was bought by Sun Microsystems, the Omni Group released the product themselves, from version 2.5 onwards. From version 4.0 onwards, OmniWeb has been developed solely for the OS X platform.
OmniWeb is developed using the Cocoa API which allows it to take full advantage of OS X features. It uses Quartz to render images and smooth text. it will use multiple processors if available, and features an interface that makes use of Aqua UI features such as drawers, sheets and customizable toolbars.
OmniWeb originally employed its own proprietary HTML layout engine that used standard API NSText components. However, this engine was very slow, particularly when scrolling, and was not fully compatible with the most recent web standards, such as Cascading Style Sheets. In OmniWeb version 4.5, the Omni Group adopted Apple's KHTML-based WebCore rendering engine, which was created by Apple for its Safari browser.