JavaScript is disabled. Please enable Javascript for full website functionality. To learn how to enable Javascript visit

isee systems helps you find solutions to complex problems

Our user-friendly, intuitive, dynamic software simulates complicated systems with simple tools

isee systems’ software empowers you to make effective decisions, avoid unwanted outcomes, and anticipate the large-scale impacts of your actions. For over thirty years, we’ve helped thousands of professionals, researchers, and students see their world from a new perspective.

Join the Community

Free 30-Day Stella Architect Trial

Free Online Model Editor

Free Online Webinars

Stories from the Field

Curated Model Experiences

Tutorials, Tips, and Tricks

Product News and Updates

Looking for our products?

Phone: (603) 448-4990 Email:

   Monday - Friday: 9:00 am - 5:00 pm EDT | Saturday - Sunday: Closed
Wheelock Office Park | 31 Old Etna Rd, Suite 7N | Lebanon, NH 03766 | US

isee systems inc. holds trademarks registered in the U.S. Patent and Trademark Office for iThink®, Stella®, isee systems® and claims the following trademarks; isee NetSim™, isee Exchange™, Stella Live™, Causal Lens™, Stella Online™ and Stella Professional Online™.

Terms of Use

© 2019. isee systems inc . All rights reserved.