CD++: a toolkit for Discrete-Event and Cell-DEVS modelling and simulation. . It includes a parallel execution version.
ALFA-1: a simulated computer with educational purposes.
IGNATIUS: a tool to develop SCADA systems.
Real-Time Minix. Extensions to this Time-sharing OS including Real-Time services and fault-tolerance techniques for sensor replication.
PLM : an Emulator of the ATARI processor.