Software Developed by Ventana Systems, Inc.
Vensim PLE v.5.11.2.1
Vensim PLE (Personal Learning Edition) is software that gets you started in system dynamics modeling and is free for educational use and inexpensive for commercial use.
Vensim Model Reader v.5.11.2.1
The Model Reader is an application that allows read-only access to models created with Vensim. The model must be either published as model (.vpm) or application (.vpa) or saved as a Vensim format (.