SDelete!

Wise Disk Cleaner is a quick and safe junk file cleaner. The advanced scan engine will quickly locate junk files in your system and remove them safely. By deleting temporary and junk files, it increases available disk space and improves your system performance.

Dariks Boot and Nuke ("DBAN") is a self-contained boot disk that securely wipes the hard disks of most computers. DBAN will automatically and completely delete the contents of any hard disk that it can detect, which makes it an appropriate utility for bulk or emergency data destruction.

WipeFile erases files and folders secure and fast. WipeFile overwrites the information completely, so there is no way to undelete the files or reconstruct the file content.

System Ninja is a fast, powerful and effective system optimization solution for Windows.It’s designed to quickly remove junk files, improve system speed and fix problems.

Permadelete is a free and open source file shredder, it deletes your files beyond recovery. It's made to be beautiful and easy to use and yet powerful.

Active@ Kill Disk is disk eraser software for secure formatting of hard drives without any possibility of following data recovery.

PartitionGuru is a partition management and data recovery program. In addition to traditional MBR partition table, it supports GUID partition table on GPT disks also. The free version is not able to convert a dynamic disk to a basic disk.

Toolwiz Care is a free tool set designed to speed up your PC and give your system full care. With multi-functional optimization suite, this software provides a collection of tools that includes System Checkup, System Cleanup, System Speedup, System Virtualization and 40+ powerful tools to enhance PC performance, security, and to optimize the start-up procedure. Toolwiz guarantees users that the freeware will stay free. This tool suite is designed for all levels of PC users from beginners to experts. »

HDShredder deletes the contents of hard disks and other mass storage media reliably at the physical level. HDShredder can also be applied to individual partitions and the user can select to perform the deletion according to international security standards. HDShredder works independent of partition layout, file sys­tem and operating system. It also works with proprietary formats which otherwise would be inaccessible.

BCWipe data wiping software enables you to permanently delete files selectively so that they can never be recovered or undeleted. BCWipe embeds itself within Windows and can be activated from the Explorer FILE Menu OR from the context (right-click) menu OR from BCWipe Task Manager OR from a command-line prompt. BCWipe complies with U.S. Department of Defense (DoD 5220.22-M) standard, U.S. Department of Energy (DoE M 205.1-2) standard and a set of other standard wiping schemes. You can also create and use your own customized wiping scheme to permanently delete files or wipe data and sensitive information from storage devices installed on your computer. »

EraserDrop Portable is an easy-to-use secure data removal tool. It is a drop target (a floating icon on your desktop) that you can drop files onto to quickly erase them so they can not be recovered. EraserDrop does away with the standard Eraser Portable interface and is packaged as a portable app so you can easily delete files on the go.

With xShredder you can destroy your sensitive files. Choose from simple destruction or shredding by Peter Gutmann 35 times.

File Shredder is a FREE and powerful application to shred and permanently remove unwanted files from your computer.In File Shredder you can choose between 5 different shredding algorithms, each one gradually stronger than the previous one.It also has integrated Disk Wiper which uses shredding algorithm to wipe unused disk space.