COG-QNX4 Cogent Products (obsolete but still available)
Cogent Development systems are free. Licenses for: Cascade Connect, Cascade DataHub, Cascade Historian, Cascade TextLogger, Gamma Programming Language, Hilscher Driver, SST 5136-SD Driver, Modicon Driver are discounted by quantities: 0-01=0%, 02-10=10%, 11-25=20%, 26-50=30%, =>51 please ask.