Eraser is a very useful and handy open-source freeware utility which securely removes data from your computer permanently and remove sensitive data from your hard drive by overwriting it with carefully selected patterns.
It is a powerful tool to remove traces of an important document or file that you don’t want anyone else to see or recover it by using any means. It features 4 patterns by which you can delete a file permanently. Gutmann technique, being the most popular, overwrites the deleted file up to 35 times to clear up its traces.
Many times you must have heard people forgetting their administrator password in Windows Vista, and since there is no way to retrieve by usual means, they end of formatting and re-installing the operating system. PC Login Now is one such freeware that is easy-to-use and comes handy in such situations. This free tool is able to reset local administrator and other accounts passwords without reinstall the system.
Trinity Rescue Kit is a FREE live CD (Linux distribution), ideal for repairing, rescuing and recovering your Windows computer and can be equally used for Linux as well. You can use this live CD to backup or restore your passwords, or stop/remove a virus before it starts damaging your computer. Trinity Rescue Kit (TRK) can be used to recover lost partitions, deleted files etc. all by using the FREE Live CD.
UndeleteMyFiles is a very useful freeware that can recover files which have been deleted accidentally, from hard disks, USB flash drives, CF and SD cards and other storage media. It is the quickest and the easiest way to recover files from digital media and devices, because of its simplified two-step process. Unlike most of other recovery softwares, this one is absolutely free to use.