ISIM International Simulation
ISIM is a company with over twenty years' experience in dynamic simulation.
Read more about who we are.
ESL-Lite - free entry-level version
ESL-Pro - the full professional version
Find out more about the multi-rate simulation features in ISIM ESL 8.2
Read about who we are and what we do
ISIM's Products, Consultancy and Services
ISIM develops, maintains and sells its flagship ESL simulation language and graphical front end.
You can also find information on training in the ESL language on our services page.
Backed up by over twenty years' experience in dynamic simulation, we also offer bespoke consultancy services. Visit our consultancy pages for case studies of our previous collaborations and to find out how we can help you with your specific needs.