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Firefox add on for synchronising bookmarks between different (Firefox) browsers. Favourites can be saved WebDAV or FTP folders so that the user can access the links from anywhere. Supports backups in JSON (Firefox 3) as well as HTML format to allow links to opened in other browsers. Download requires the user to open a free user account; no longer available.

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If you’re running Mac OS X, this tool allows you to view PDF documents directly in the browser (from Firefox 3) without having to download them, then open them with an external PDF viewer.

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Changes your own IP address whilst you are surfing the internet; the Firefox add-on interrupts the FRITZ! Box's connection to the internet and then reestablishes it; displays the IP address in the status bar. Fast and secure download from The H

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Expansion pack for Firefox, Google Chrome, Internet Explorer, Safari and Opera which allows safe surfing by providing information about the trustworthiness of a web site about to be accessed.

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Firefox add-on that provides a GUI front end for ‘about:cache’.

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Firefox plug-in for speeding up navigation by displaying a grid with your favourite web sites, shown as thumbnails, as its start page (like in the Opera browser). To open a web site, simply press ALT + (number of thumbnail).

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Firefox add-on which allows the user to add, edit and filter HTTP request headers.

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Updates open Firefox tabs and windows at regular intervals.

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Firefox Add-on for extending the browser’s toolbars. Displays those important and frequently used settings that are located in different tabs in the settings dialog, such as the command for deleting the cache or showing progress, as a shortcut or checkbox in an additional toolbar.

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Switches between different proxy configs after one-time configuration; the user can enter conditions so that, when these are met, the program automatically loads certain configurations, for example, after plugging in a network cable, or discovering a WLAN connection; suitable for Internet Explorer and Firefox. Fast and secure download from The H

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Firefox plug-in for automatically generating bibliographic entries from Amazon and other library catalogues. Can also be used to store PDF documents, files and web pages. Exports to BibTeX, RIS, HTML or XML (RDF, MODS). Works with OpenOffice and Microsoft Word as well as WordPress and other blogging programs. Also available as a stand-alone version.

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Measures download and upload rates on your DSL connection and can help you troubleshoot problems with the internet; also available as a Firefox add-on.

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Browser extension. Allows running web applications in offline mode, if the websites are designed for Google Gears. Current beta version is primarily aimed at developers.

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Displays drawings and diagrams in Visio Microsoft Visio in Internet Explorer version 8.0 onwards.

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This tool was designed for web developers and helps them to create and understand web sites quickly and easily. Also ideal for troubleshooting.

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Integrates dynamic content, such as vector-based graphics, 2D animations or audio and video files to web sites and applications. Includes data grids, tabs and improved abilities in SOAP, REST and JSON starting from version 2.0. New video and design functions, such as live and on-demand true HD smooth streaming for playing high definition content are included from version 3.

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Extension of Firefox, Internet Explorer, Safari and Google Chrome for synchronising bookmarks on different computers. Requires you to set up an account with the manufacturer and enables access via the web interface. The iPhone version isn’t currently available in the iTunes Store. The version numbers are based on the Firefox extension.

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Add-on for the Firefox, includes JavaScript debugging of a web site that executes JavaScript code, and inspectio and customization of the page source code, the CSS and the DOM properties. Fast and secure download from The H

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Browser extension for Firefox, Thunderbird and SeaMonkey, Firefox Mobile, Google Chrome and Opera which blocks ads on web sites. Ads can be blocked by clicking on the content or by entering ad URLs (regular phrases can also be entered). Also hides Facebook social plugins. Fast and secure download from The H

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Firefox extension that uses JavaScript browser programs to change the appearance of web sites in almost any way.

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