Purpose
    FatRat Library is a free and open source OPC DA (Data Access) Server Toolkit.
    FatRat Library makes it possible to speed up development OPC DA servers.
 
OPC compliance / FatRat Library supports:
    * IOPCCommon
    * IOPCServer
    * IConnectionPointContainer
    * IOPCItemProperties
    * IOPCBrowseServerAddressSpace
    * IOPCGroupStateMgt
    * IOPCSyncIO
    * IOPCAsyncIO2
    * IOPCItemMgt
    * IEnumOPCItemAttributes
    * IOPCBrowse
    * IOPCItemDeadbandMgt
    * IOPCItemSamplingMgt
    * IOPCItemIO
    * IOPCSyncIO2
    * IOPCAsyncIO3
    * IOPCGroupStateMgt2
 
System requirements
    FatRat Library is fully compatible with Windows NT4/2000/XP/2003/Vista.
    Library can be used with any development environment supporting C++ language.
    You can use it with Microsoft Visual Studio 2005/2008 (including Express Edition) or MinGW.