Mathematica is a mathematics software program used to help with science, math, and engineering fields. It can be used for industrial work, or for educational purposes. It allows integration of computation to many different types of fields and work flows.
Picasa is an image organizer and image viewer for organizing and editing digital photos. It includes touch up and basic editing tools, geo-tagging to tie a picture to a location, facial recognition to categorize and catalog photos by the people in them, backup capabilities to safeguard your photos, and sharing capabilities to display your photos publicly or send them to targeted peers.
uDig is an open source desktop application framework software. The goal of uDig is to provide a Java solution for desktop GIS data access, editing, and viewing. uDig is distributed under the Eclipse Public License (EPL). It’s available for Microsoft, Mac, and Linux devices.