Most interesting in Science

Free
Creates and edits biological sequence models
Creates and organizes family history databases
Free
PhET is a collection of physics simulations from University of Colorado
Designs and updates printed circuit board projects
Free
Creates layouts for printed circuit boards

Top rated in Science

3D Grapher

Plot and animate 2D and 3D equation and table-based graphs with ease

Stellarium Portable
Free

Take the stars with you wherever you go

NASA World Wind
Free

The entire world is within your reach

Free Percentage Calculator
Free

Calculate the percentage or the fraction

Fraqtive
Free

Create personalized fractals for beautiful wallpapers

Cabri 3D

Cabri 3D Software Overview

PCB Artist
Free

Design your own circuit boards

WinDraw

Function graphing utility

MathWriter

Write mathematical, scientific and engineering equations and formulae

Limix Suite
Free

Limix Suite: Diverse Educational Tools

3D Solar System
Free

A free app for Windows, by Tingan

BKChem
Free

Editor to draw molecular diagrams

InnerSoft CAD para AutoCAD 2016
Free

AutoCAD plug-in for Estimating and measurements in construction project budgets

InnerSoft CAD for AutoCAD 2013

AutoCAD plug-in for Estimating and measurements in construction project budgets

Moonphase
Free

See the current moon phase anytime, anywhere

HiView
Free

A free program for Windows, by HiRISE.

Solution Calculator
Free

Solution Calculator provides lab-ready directions how to prepare a certain volume of solution.

Electrical Calculations

Electrical calculations for busbars, cables, power factor correction, motor ctrl

Microsoft Math

Tackle math and science problems quickly and easily

HEXelon MAX
Free

A scientific calculator, unit and currency converter all in one.