We are using a variety of tools including:
Windows tools like
Arc GIS Explorer Java to view and query maps (EASY TO USE)
Tatuk GIS viewer – to view and query maps (EASY TO USE)
Map Maker Pro and Gratis – to print maps, collect new data and create maps and perform complex spatial analyses (viewer and elementary are EASY TO USE- full version DIFFICULT TO USE)
Online tools
Google Maps
UMapper
Bing etc.