Since I deal with spatial information as a data analyst, the GIS based application AziMap, has proved very useful. The fact that it is open source means that it is affordable when it comes to matters of visualizing and sharing of the spatial data. Review collected by and hosted on G2.com.
The built-in analyses is not as powerful as a full-blown GIS software. As the information is loaded dynamically, this can be a bit inconvenient for projects that initiate complicated spatial analysis like hot spot mapping or spatial regression. Review collected by and hosted on G2.com.