Modules of EDK2010.SR1.UP1

"CryptoPkg" 
Provides cryptographic-related libraries for UEFI security modules.
"EdkCompatibilityPkg"
Provides header files and libraries that enable you to build the EDK module in UEFI 2.0 + Framework 0.9x mode. Also provides Thunk modules that enable Framework 0.9x modules to work with UEFI2.3/PI1.2 EDK II Cores.
"IntelFrameworkModulePkg"
Package contains the definitions and module implementation which follows Intel EFI Framework Specification.
"IntelFrameworkPkg"
Intel Framework Package Reference Implementations
"MdeModulePkg"
Provides the modules that conform to UEFI/PI Industry standards. It also provides the defintions(including PPIs/PROTOCOLs/GUIDs and library classes) and libraries instances, which are used for those modules.
"MdePkg"
Provides all definitions(including functions, MACROs, structures and library classes) and libraries instances, which are defined in MDE Specification. It also provides the definitions(including PPIs/PROTOCOLs/GUIDs) of EFI1.10/UEFI2.3.1/PI1.2 and some Industry Standards.
"NetworkPkg"
Provides network modules that conform to UEFI 2.2 specification.
"SecurityPkg"
Includes the security drivers, defintions(including PPIs/PROTOCOLs/GUIDs and library classes) and libraries instances.