EPANETL is a localized (translated) version of EPANET, a popular hydraulic analysis program which can be used to simulate water supply networks.
Inptools provides means to convert and reproject files in the EPANET INP format. It includes the shp2inp, inp2shp, epanet2csv, and inpproj commands. (EPANET is water supply network analysis software.)
A Java framework for building modular, cross-platform applications.
An easy database query library.