Most interesting in Science

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

Top rated in Science

DesignWorks Lite

Draw professional circuit diagrams

Equation Grapher

Draw and analyze mathematical functions

Geometry Calculator
Free

Calculate and convert various geometrical values

Basic Facts Worksheet Factory
Free

Sharpen students' mastery of basic facts and the multiplication tables

PL Table
Free

The electronic periodic table of elements

JavaPK for Desktop
Free

Clinical pharmacokinetic program

Mr Architect 3D

Powerful parametric CAD tool

WinADV
Free

Review and analyse ADV data easily

Math Games Level 1
Free

Learn basic math with this friendly robot

CyberSky

Learn about astronomy and the wonders of the sky

PCB Elegance

All you need to design and produce PCBs

RadioWORKS
Free

Calculate data for radio waves

WinIQSIM
Free

Laboratory to study transmission of digital signals

Avogadro
Free

3D molecular structure editor

Pythia
Free

Graphical editor for making connections

MathGame
Free

Maths against the clock!

Celestia Portable
Free

Real-time space exploration on your computer

ProfiCAD
Free

Free Software for Diagram Creators

Phet
Free

Interactive and educational simulation-based software

KiCad
Free

A Well-Equipped Tool for Designing Electronic Schematic Diagrams