The DEVSIM semiconductor device simulator is an open source software. The project home page is at As the primary developer, my goal is to create a general purpose tool that can be used for both traditional drift-diffusion and multi-physics problems. The forum at is a good place to join the discussion about this effort.

By Juan

I have an interest in TCAD simulation. One of my projects is the development of the DEVSIM TCAD simulator. My goal with this website is to share my knowledge of this interesting discipline.