Aspen Plus Student Version _hot_ -

The best free alternative. It’s open-source, runs on Windows, Mac, and Linux, and has a very similar workflow to Aspen.

A free, CAPE-OPEN compliant simulator that is great for steady-state modeling. 6. Pro Tips for Beginners aspen plus student version

Aspen Plus is notorious for crashing right when you're about to finish a simulation. The best free alternative

(RadFrac is the "big boss" of distillation simulation) Heat Exchangers The best free alternative. It’s open-source