Darik's Boot and Nuke!

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.

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.

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

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.

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.

SDelete, short for Secure Delete, is a command-line based data destruction tool and can be run from the Command Prompt in Windows 7, Vista, or XP.

With Context-Shredder you can destroy your sensitive files. Choose from simple destruction or shredding by Peter Gutmann. Users can create deletion tasks, overwrite available free space or destroy disk drives.

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.

When you normally delete your files in Mac OS X, the operating system is only forgetting where those particular files are placed, while the data still physically remains on the drive. Beginning with Mac OS 10.3, Apple enhanced its security by introducing the Secure Empty Trash feature, which follows the U.S. DoD pattern of overwriting data seven times.

Hardwipe is a free file wiper and drive cleaner for Windows. It can be used to permanently erase, or to "hard wipe", data on disk and portable storage media (i.e. USB drives and memory sticks) in order to prevent personal or sensitive business information from ever being recovered. It can wipe entire drives, wipe files individually, and sanitize unused drive space. It runs from within the OS and supports right-click context menus in Windows Explorer. Or you can simply use it as a standalone application if you prefer. »

AppleXsoft File Eraser is a user friendly and powerful data wipe software that allows you to permanently delete files on hard disks, USB drives completely. excluding any possibility of future recovery of deleted files and folders. AppleXsoft File Eraser can permanently erase any type of file, folders, such as photos, videos, word documents, excel, zip, PDF, and other types of sensitive file. Protect your privacy by permanently removing your files and prevent anyone from ever recovering them. It offers 14 different wipe methods to choose from including US Department of Defense and Peter Gutmann's method. »

Don't give away sensitive information, valuable corporate trade secrets, business plans, personal files and letters, or traces of Internet or newsgroup activity with the old computers that you or your company resells, donates, reassigns to different departments or removes from operation. Deleting all the files or even formatting the hard disk is not enough to stop people to restore information using basic recovery programs. east-tec DisposeSecure however removes all traces of data from the computer hard disk, by overwriting and destroying beyond recovery every sector and bit of information. Data is removed according to government and industry standards or custom user security levels. east-tec DisposeSecure can be operated either from a bootable media (USB stick, floppy disk, CD, DVD) to sanitize any drive or partition from the computer, or through the network to sanitize a large number of computers, centralize sanitization logs (reports) on the server and more. The computers can be sanitized regardless of the file system or the operating system. In the latest version, you can also wipe non-system external hard drives directly from Windows, without booting from another device. Whether you want to prevent identity theft, protect your privacy or stop competitors from stealing your sensitive information, east-tec DisposeSecure offers the solution. »

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. »