Support for Free Registry Defrag is available from the publisher site.
Short description: During the normal operation of a Windows system, many holes and fragments are left in Windows registry. Our Free Registry Defrag optimizes your registry by removing gaps and wasted space, thus improves the whole system performance....
To speed up your downloads we recommend you use a download manager such as 
CloudBerry Explorer is a FREEWARE Windows Client for Amazon S3. CloudBerry Explorer makes managing files in Amazon S3 EASY. By providing a user interface to Amazon S3 CloudBerry lets you manage your files on S3 just as you would on local computer.
NoClone - Find and Delete TRUE duplicate files by byte-to-byte comparison. Smart Marker helps to clean up hard drive.
Find and remove true duplicate files. Search duplicate file contents regardless of file name, Duplicate MP3s, photos, and any file type can be searched. Duplicate Finder matches byte by byte or CRC32 to give you most accurate results.
Print and visualize your folders. Find out where your HD space went! You can filter to include only the files you want and customize both display and printed output to your taste. Lists can include MP3 and ZIP information.
Click-N-Type is a free on-screen virtual keyboard for anyone with a disability who can't type on a physical computer keyboard, but can use a pointing device like a mouse.
WinQuota is a disk quota management solution for Windows designed for regular usage on any types of servers, especially on servers with large amount of files, such as file servers, news and mail servers.