Split Browser is a Firefox plugin that can"split" your browser into multiple panels, enabling you to view multiple web pages simultaneously in the same Firefox window. It is useful in situations where you would like to be able to surf the internet using a part of the screen while maintaining another site, web mail service, or web app etc. visible in another part of the screen at the same time.

TubeMaster Plus is a free tool that can download streaming video and audio files from almost any media sharing site, including sites with anti-leeching protection. TubeMaster Plus also can convert downloaded videos to several formats, offers a video search function across multiple video sources, and offers a downloadble audio mp3 search function.

Interclue is a free Firefox extension that displays information whenever you hover on a link in Firefox, including a visual preview of what the linked page contains, extra information and action buttons, and warnings about dead links, malware, and/or phishing sites.

“Can You Run It?” from system requirements lab is a free web service that compares your PC specs against a large, constantly updated database of games and can tell you whether your computer is  sufficient to run any game that you are interested in. It can also give you a breakdown of individual components and tell you exactly where your computer stands in relation to the recommended and preferred specs and what areas or components to change or upgrade.

Favthumbs is a web service that can show del.icio.us bookmarks from any public account as thumbnails or iTunes-style carousel display.

Click&Clean is a free tool that works alongside CCleaner to provide 1-click hard drive and browser cleanup from within Internet Explorer, Firefox, or the desktop Quick Launch bar. It can perform an instant, complete uninterrupted cleanup with CCleaner without exiting the browser or dealing with prompts and dilags.

CookiePie is an open source plugin for Firefox and other browsers that allows the user to open multiple accounts for services such as Gmail, Yahoo, eBay, Facebook, Twitter, or others in different tabs or browser windows simultaneously. It can also be used by developers who want to work with different versions of web pages with each tab or windows having its own distinct cookies environment.

HP Smart Web Printing is a free browser extension for Internet Explorer and Firefox designed to enhance the process of printing webpages or (parts of webpages) from the browser. It allows you to "clip" elements of web pages, aggregate them, re-size and re-arrange them on a preview page before printing or saving them as a PDF document.

EditURLs is a small program that works with Internet Explorer and allows you to edit and save the dropdown list of URLs that Internet Explorer uses in the address box for URLs that are typed in manually.

Deluge is a full-featured open source bittorrent client that runs on multiple platforms. It is designed to be low on system resources utilization while providing powerful features and a user friendly experience.

“IE Open Last Closed Tab” is a free Internet Explorer extension that can retrieve and launch previously visited URLs. On pressing a hotkey it displays a page of thumbnails representing previously viewed URLs that can be used to quickly access any of these sties.