There was a download of SNMPsimulator 0.2.4 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free program is a product of Ilya Etingof. The most popular version among SNMPsimulator users is 0.1. We recommend checking the downloaded files with any free antivirus. The program lies within Development Tools, more precisely Database Tools.
From the developer:
SNMP Simulator is a software that has the roll to act like a multitude of real physical devices from SNMP Manager's point of view. This simulator builds and uses a database of physical devices' SNMP footprints to respond like their real counterparts do.
You may want to check out more software, such as EMS SQL Manager 2005 for PostgreSQL, R&R Report Writer or Codus, which might be similar to SNMPsimulator.