ArcGIS-based information system for river basin management and tasks deriving from the EU Water Framework Directive
(A previous installation of ArcGIS 9.3 Service Pack 1, ArcGIS 9.3.1 or ArcGIS 9.2, Service Pack 6 and DotNET 2.0 is necessary)
| Version | Date of Release | Size | Operating system | Requirements | Changes | Download |
| WISYS 3.5.0.6 | Feb. 2010 | 48MB | Windows | ArcGIS 9.3 SP1, ArcGIS 9.3.1 or ArcGIS 9.2 SP6 DotNET 2.0 Minimum 1GB Memory recommended | Changes | Download |
For licensing WISYS with a local dongle you need to install the WASY license manager NetLM (NetLM software and patches).