Opera (web browser) layout engine of its competitor Google Chrome. Features of the Opera web browser include private browsing, tabbed browsing, download manager, mouse gestures and browser extensions. Opera began in 1994 as a research project at Telenor, the largest Norwegian telecommunications company. In 1995, it branched out into a separate company named Opera Software. Opera was first released publicly in 1996 with version 2.10, which only ran on Microsoft Windows. In an attempt to capitalize on the emerging market for Internet-connected handheld devices, a project to port Opera to mobile device platforms was started in 1998. Opera 4.0, released in 2000, included
Google Toolbar Google Toolbar Google Toolbar is a web browser toolbar for Internet Explorer, developed by Google. It was first released in 2000 for Internet Explorer 5. Google Toolbar was also supported on Firefox from September 2005 to June 2011. Google Toolbar resides above the browser's tab bar and provides a search box to carry out web searches. Users can log into their Gmail accounts and access their email, saved bookmarks, and web history. It has tools such as AutoLink, AutoFill, Translation, spell checker common to all browsers, while pop-up blocker and word finder are restricted to Internet Explorer. Google Toolbar is