Downloading StochSim 1.4 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The StochSim installer is commonly called StochSim.exe. The program belongs to Education Tools. The most popular version among the software users is 1.4. The actual developer of the free software is lenov.
From the developer:
STOCHSIM is a stochastic simulator for biochemical reactions software tool. The particles are represented as individual software objects which react according to probabilities derived from concentrations and rate constants. Simple spatial structures can be built.
You may want to check out more software, such as MB Free Muhurtha Astrology, CDtool or Travoltage, which might be similar to StochSim.