Description: FreeCAD is an open-source parametric 3D modeler made primarily for mechanical engineering product design. It allows you to sketch geometry constrained 2D shapes and use them to build solid 3D objects. Key features include part modeling, assembly modeling, drafting, finite element analysis, and more.
Type: software
Pricing: Free
Description: Insight Maker is a free online simulation tool that allows users to model complex systems through causal loop diagrams and stock and flow models. It enables conceptualizing, building, running, analyzing, and sharing simulation models of real world processes.
Type: software