DrWebFileManager is released in Light, Classic, Professional editions.

DrWebFileManager Light is recommended for single user or small user group and can be used for non-comertional purposes. You can download a free version of DrWebFileManager Light. DrWebFileManager Light has 33 days testing period after instalation. During this period DrWebFileManager Light has the same functionality like DrWebFileManager Professional. After this periods DrWebFileManager Professional functionality is disabled.
Base features:
Written in ATL C++, much faster then VB or ASP.
Communication over HTTP/HTTPS (over proxy).
Browse physical, virtual or shared directories.
Add one storage with defined privileges.
Sort by filename, size, date on the client.
Multiple file upload/download/delete capability. Maximum upload body length is set to 300Kb.
Rename files/folders.
Create/delete folders.
Drag&drop copy/move server files (IE5.5 or above).
Customization:
Ability to remove base command.
Custom root folder icons.
Custom commands integration.
Style modification: color, fonts, command icons and tooltips.
File icons (predefined or custom).
Incredible user interface.
No components on client.
Only one short ASP and DrWFM.dll files necesary.
Easy to program, navigate and work with.
Note: After test period expiration, you get an error mesage if you access ASP file which uses interface ClientRequest

DrWebFileManager Professional edition main features:
Any storage access ability.
Log file.
Registry: hidden files/folders, allowed extensions, readonly mode, authenticate.
New type of custom commands.
User actions monitoring ability.
Write and trigger custom actions.
Server file dialog ("SaveAs", pickup files).
More ...