NoDrives Manager is a simple, free tool for hiding Windows logical drives by modifying the registry. The hidden drives are still accessible but they are not visible in the Windows Explorer.
License: GNU GPL v3
Platform: Windows XP, Windows XP x64 Edition, Windows Vista (32 and 64 bit), Windows 7 (32 and 64 bit), probably works on Windows Server 2003 and 2008 but not tested
Current version: 1.2.0
NEW (1.2.0): password-protected (the password is encrypted) access (can be disabled/enabled).
NEW (1.2.0): the executables are now compressed with UPX and, as a result, the installer requires only approx. 5 MB of free disk space (instead of 15 MB). This is also true for “portable” version.