Adios! Extreme File System Cleaner by Martin Beek - safely removes 150+ application- and Windows garbage files from your computer. Empties garbage bins, Norton virus quarantine, Norton protected bins, Internet browser cache(s), sensitive usage information, memory dumps, Windows update and servicepack garbage and much more. Fully configurable. Analysis, (de-)selection and deletion stages. Uses fast low-level filesearch routines. Free download.

Do you need better control over your filesystem? f2xml provides that control. f2xml creates customised XML, HTML or TEXT based reports on your file system or removable storage (CD's, floppy disks, etc). The HTML and TEXT based output provide self contained reports. The XML format allows for further analysisthrough XSLT to provide whatever details you need from your file system. GUI, command line and DLL interface are provided.

TEFS is a transparent encrypt software,working in the Kernel of Windows,supporting real-time decryption.With it,we can edit the encrypted files directly without decrypting.Data is decrypted only when in memory, and never on the disk. It support all storage media and all FileSystem.TEFS can expand encrypt strategy list by integrating.The TEFS kernel can be switched.TEFS use File Itself Based technology.

XP Smoker is a nice little utiliy for tweaking Windows XP. It has many tweaks available. Including filesystem tweaks, read ahead and write behind cache optimization for cd drives and hard drives.

Xceed Zip for .NET Compact Framework is a 100% managed zip, data compression and all-purpose file manipulation library for mobile apps. It provides flexible zip, gzip, streaming compression, split and spanned zip as well as the ability to create customized self-extracting zip files. It offers an innovative filesystem object that makes zip files as easy to work with as regular files and folders

Xceed Zip for .NET is a 100% managed data compression and all-purpose file manipulation class library for .NET. It provides flexible zip, unzip, streaming compression, split and spanned zip as well as the ability to create customized self-extracting zip files. It works with an innovative filesystem object model that makes zip files as easy to work with as regular files and folders.