Science

Free

Recognizes and analyzes geospatial images

Free

It allows you to measure the response time on optical fiber networks

Free

Enables monitoring and updating astroniomical data

Free

Designs and simulates pipe network flow

Free

Input data and analyze it with a built-in visualization module

Free

Displays a 3D version of the Earth

Free

Personal Ancestral File (PAF) is an excellent tool for genealogists and family historians

Free

Reference on physical constants

Free

Checks and validates engineering calculations

Free

GraphCalc can be your first, last, and only line of offense against mathematics

Free

E-Notebook Ultra electronically organizes information

Free

It is a program that helps you discover and preserve your family’s heritage

Free

Family Tree Maker 2012 is a great software for building your family tree

Free

Artha is a free cross-platform English thesaurus that works completely off-line

Free

Real-time space simulator, revealing the beauty and fragility of our universe

Free

With this SDK, developers can embed World Wind tech in their own applications

Free

A dynamic system simulator and analyzer

Free

Designs and updates printed circuit board projects

Free

EKTS is designed to help users create virtual electromechanical systems

Free

PhET is a collection of physics simulations from University of Colorado