VTT

Tool	Category(s)	Programming Language(s)	License(s)
SpineOpt	Capacity Expansion Modeling , Production Cost Modeling	Julia	GNU Lesser General Public License v3.0+
Backbone	Capacity Expansion Modeling , Production Cost Modeling	GAMS	GNU Lesser General Public License v3.0+
Spine Toolbox	Data Structures	Python	GNU Lesser General Public License v3.0+