Opera Turbo uses compression technology that provides significant improvements in browsing speeds over limited-bandwidth connections, for example, when using a crowded Wi-Fi in a cafe or a slow dial-up modem.

Opera Unite is a technology platform allowing you to share content directly with friends without having to upload anything to a Web site. You can stream music, show photo galleries, share files and folders or even host your own Web pages directly from your browser.

Opera Mail can now send rich text messages including inline images, styled text, links, and/or custom HTML. You can also choose to have messages deleted from your POP server after a preset number of days, so you can keep your Web space under control.

Opera Dragonfly allows Web developers to debug JavaScript and inspect CSS, the DOM and HTTP headers, right from the comfort of your Opera browser.

Opera Link lets you synchronize data of your choice online or among different computers and devices. Synchronize your Speed Dial, bookmarks, custom searches, history and notes between your work and home computers; take your bookmarks with you on your phone.

Google Chrome is a web browser that uses the WebKit layout engine and application framework. It was first released for Microsoft Windows in September 2008. The public stable release was in December 2008.

In the beginning of 2010, Chrome was the third most widely used browser, almost 10 percent of worldwide usage share of web browsers.

Google released most of Chrome's source code, including its JavaScript engine, as an open source project entitled Chromium. This enabled third-party developers to help port the browser to Linux and Mac OS X.

K-Meleon is an extremely fast, customizable, lightweight web browser based on the Gecko layout engine developed by Mozilla which is also used by Firefox. K-Meleon is free, open source software released under the GNU General Public License and is designed specifically for Microsoft Windows (Win32) operating systems.

Firefox is the gold standard of alternatives to the still-dominant Internet Explorer. Firefox is full-featured, lightning fast, and secure. Its killer selection of add-ons remains strong, with built-in support for the next generation of themes, called Personas. However, competition is strong and it can no longer be said that Firefox is the fastest browser available.

Several notable improvements in the latest revamp keep Firefox abreast of current browsing tech. In addition to the aforementioned improvements made to the TraceMonkey JavaScript engine so that it renders Web applications faster, there have also been other significant under-the-hood changes. These include: blocking third-party software from encroaching on Firefox's file system turf to increase stability; support for the Web Open Font Format, which means many non-English browser users should have a faster time loading Web pages with downloadable fonts; and support for the File interface, which can help with tasks such as uploading multiple photos and is part of the draft HTML5-standard effort. HTML5 support debuted in Firefox 3.5. Another deeper change to the browser is that it is now running scripts asynchronously, which can help to load a Web page faster by putting off some work until the high-priority chores are complete. Firefox also isolates out-of-date plug-ins so they do not become a security risk.

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