- OpenROAD OpenRCX
- FreeCAD
- An open-source parametric 3D modeler made primarily to design real-life objects of any size.
- Fast Field Solvers (FastFieldSolvers)
- The "SPICE" of the ElectroMagnetic world.
- E.M. Workbench, FasterCap, FastCap2, FastHenry2, FastModel
- HotSpot (UVA), under a customized license
- An accurate and fast thermal model suitable for use in architectural studies.
- PACT (Boston U), under GNU General Public License v3.0
- PACT is a SPICE-based PArallel Compact Thermal simulator (PACT) that enables fast and accurate standard-cell-level to architecture-level steady-state and transient parallel thermal simulation.
- CoMeT (IIT Delhi), under MIT License
- An Integrated Interval Thermal Simulation Toolchain for 2D, 2.5D, and 3D Processor-Memory Systems
- RTA-simulator (UMD), under BSD 3-Clause License
- Thermal analysis to measure on-die temperature during rapid thermal annealing (RTA).
- TherMOS (UMD), under BSD 3-Clause License
- A thermal model for self-heating in advanced MOS devices.