WikiTweak is a Firefox extension designed to add many tweaks to Wikipedia including: Extra Links, Styles, Language Options, and others. A must have for Wikipedia users.
Tool to increase download speeds by up to 5 times, resume and schedule downloads. Free download of Internet Download Manager 6.21 Build 14
Rapidshare Download manager and simple rapidshare, megaupload downloader. Free download of FreeRapid Downloader 0.9
powerful software developed to help you download images from forums. Free download of Cascades Forum Downloader 2.2
Makes it easy to upload and allows multiple downloads at the same time. Free download of RapidShare Manager