sdts++ is a free C++ toolkit that can be used to write applications that read and write Spatial Data Transfer Standard (SDTS) files. Currently there is a great deal of free geospatial data stored in SDTS format, including USGS Digital Line Graph (DLG) and USGS Digital Elevation Model (DEM) data.
Very powerful, but a bit rough Tulip is indeed a very powerful tool, but does suffer from a few problems. - there is no developer's mailing list - you have to go through a silly interface on ...
Anti-UCITA page Skip actually has an anti-UCITA page. (http://www.4cite.org/ucta101.html) I live in Virginia and will be writing the governor, the president of the state senate and the speaker ...