Vensim is simulation software for modelling the real world and  improving the performance of real systems. It offers classic system dynamics modelling along with flight simulators in a range of products from the free academic and personal use versions to professional products capable of modelling the most complex situations.

Vensim is available from

Vensim is primarily used for developing, analyzing, and packaging dynamic feedback models. We emphasize:

  • High quality, with dimensional consistency and Reality Checks™
  • Connections to data and sophisticated calibration methods
  • Instant output with continuous simulation in SyntheSim
  • Flexible model publication
  • Model analysis, including optimization and Monte Carlo simulation

Vensim contains many industry-leading technical advances in simulation technology: