This is the CP2K software suite

 * COPYRIGHT: The license of under which CP2K can be distributed
 * INSTALL: How to set up the program (mainly how to compile it)
 * README: This file
 * arch: Definitions for different architectures/compilers
 * makefiles: The one and only Makefile
 * src: The source code
 * tests: Inputs for regression tests
 * tools: Mixed collection of useful scripts related to cp2k
 * data: Simulation parameters e.g. basis sets and pseudopotentials

Additional directories created during build process:
 * lib: Libraries built during compilation
 * obj: Objects and other intermediate compilation-time files
 * exe: Where the executables will be located

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For more information go to: https://www.cp2k.org