Here are some further links to SD, strategy and useful websites.


The System Dynamics Society is an international non-profit organisation devoted to encouraging the development and use of systems thinking and system dynamics around the world.

System Dynamics Society Discussion Forum

Blogs – extensive blog from a leading strategic thinker and past president of the UK SD Society Council.

MetaSD – Tom Fiddaman’s blog covering system dynamics, environment policy, sustainable development and energy, among other related topics.


AnyLogic : System dynamics and agent-based modelling. See

Forio : See a short tour of this powerful application for converting models out of iThink/Stella, Powersim and Vensim into online games here.  See for more information.

Goldsim : Demonstration videos of this powerful application for simulating uncertainties can be found at

Insight Maker : a short video demo of this new web-based tool is available here.   Use is free, see

Powersim : See

Sheetless (formerly Sysdea) : See The Sysdea background is explained at

Stella and ithink : See for demonstrations and information on current versions, including isee Exchange for publishing models to the web.

Vensim and Ventity : See for details.


System Dynamics Wiki

System Dynamics Society WikiSD