HYMOS 4.50.0070 is free to download from our software library. The software is categorized as Education Tools. This program is a product of WL | Delft Hydraulics.
From the developer:
HYMOS is the information system for water resources management in general.
You may want to check out more software, such as StatPlus 2007, Lasergene or Adding Machine, which might be similar to HYMOS.