Julia

Tool	Category(s)	Developer(s)	License(s)
HELICS	Co-Simulation Frameworks	NREL , Pacific Northwest National Lab , Lawrence Livermore National Laboratory	BSD 3-Clause License
PowerModels	Power Flow	Los Alamos National Laboratory	BSD 3-Clause License
PowerSimulationsDynamics.jl	Dynamics Simulation	NREL	BSD 3-Clause License
PowerSystems.jl	Data Structures	NREL	BSD 3-Clause License
PowerSimulations.jl	Production Cost Modeling	NREL	BSD 3-Clause License
PRAS	Resource Adequacy Modeling	NREL	MIT (Expat) License
SpineOpt	Capacity Expansion Modeling , Production Cost Modeling	KU Leuven , KTH , VTT , Energy Reform , University College Dublin	GNU Lesser General Public License v3.0+