ALPS project (Algorithms and Libraries for Physics Simulations). ALPSCore: Applications and Libraries for Physics Simulations Core libraries. The ALPS Core libraries aim to provide a set of well tested, robust, and standardized components for numerical simulations of condensed matter systems, in particular systems with strongly correlated electrons. They consist of a set of components that are used in state of the art high performance codes. The ALPSCore libraries are a spinoff of the ALPS libraries available from alps.comp-phys.org