Free
LibreCAD
Free 2D drafting software
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Free
Free 2D drafting software
Trial version
A free program for Windows, by neural-designer.
Trial version
Function graphing utility
Trial version
AutoCAD plug-in for Estimating and measurements in construction project budgets
Free
Learn to read sheet music with this fun game
Free
A discreet piano teacher
Calculate power instantly
A valuable resource for students and academics
A free, high-res Mars photo explorer
Interactive math learning platform
Free, powerful graphing program
Hands-on digital microscope experience
Creative Birthday Card Design Software
FreeMat: Open Source MATLAB Alternative
Regedix: Powerful Windows Registry Editor
Audio Spectrum Analyzer for Real-time
Relay Tripping Curves-PRO Overview
Maths tests and science help for children and adults