Modelica Buildings Library — The Complete Guide: Free Dynamic Models for HVAC and Controls
The Modelica Buildings Library is an open LBNL library of dynamic models for HVAC, controls, energy storage and district energy — to test control early.
Guides and Articles
Exudyn — The Complete Guide: Free Flexible Multibody Simulation in Python
Exudyn is an open-source library for rigid and flexible multibody simulation: a C++ core, a Python interface, reduced FE models and robotics, with examples.
Project Chrono — The Complete Guide: Free Multibody, Vehicle and Granular Dynamics Simulation
Project Chrono is an open-source physics engine in C++ and Python: multibody dynamics, contact, finite elements, vehicles and granular material for research.
Abaqus Learning Edition — The Complete Guide: Learn Nonlinear FEA in Abaqus for Free
Abaqus Learning Edition is a free version of Abaqus for learning nonlinear FEA — for personal and educational use only, on models up to 1000 nodes, on Windows.
MYSTRAN — The Complete Guide: A Free Finite Element Solver That Reads Nastran Input
MYSTRAN is an open-source finite element solver that reads BDF files in Nastran syntax: linear statics, modes and linear buckling, with composite laminates.
JT2Go — The Complete Guide: Free Viewing of JT and Parasolid Files Without CAD
JT2Go is Siemens’ free viewer for JT and Parasolid files: product structure, measuring, sections and PMI — for suppliers who receive models from customers.
Solid Edge Community Edition — The Complete Guide: Siemens’ Professional CAD, Free for Personal Use
Solid Edge Community Edition is Siemens’ free CAD for parts, assemblies, sheet metal and drawings — for personal, non-commercial use only, with watermarks.
Linkage — The Complete Guide: Sketch and Animate Linkage Mechanisms for Free
Linkage is free software to sketch and animate planar linkage mechanisms: links, pivots, gears and cams, with point paths and speeds. For concepts and teaching.
Universal G-code Sender — The Complete Guide: Free Control for Desktop CNC Machines
Universal G-code Sender is free open-source software for GRBL, FluidNC and TinyG CNC machines: 3D toolpath view, jogging, probing and a G-code editor.
bCNC — The Complete Guide: Free GRBL CNC Control With Surface Auto-Levelling
bCNC is free open-source software for controlling GRBL CNC machines: G-code sending, an editor, probing and surface auto-levelling for PCB engraving.
Kiri:Moto — The Complete Guide: A Free Browser Slicer for 3D Printing, CNC and Laser
Kiri:Moto is a free, open-source browser tool that prepares manufacturing files for 3D printing, CNC milling, laser cutting and resin printing in one place.
Mayo — The Complete Guide: Free Viewing and Conversion of CAD and STEP Files
Mayo is a light open-source CAD viewer: it opens STEP, IGES, STL and glTF, measures, clips and converts between formats, also from the command line.