Web-based protein structure viewer and analysis tool
An interior design application to draw house plans & arrange furniture
FlightGear Flight Simulator: free open-source multiplatform flight sim
An interactive viewer for three-dimensional chemical structures.
svg editor: Easily create documents for math, physics, chemistry...
For the design of geological sections, illustrations
very good CAD software
SCADA HMI for substations, IoT and automation applications
Text architecture for music theory.
linear and nonlinear static analysis of 3-dimensional frames
JavaScript-Based Molecular Viewer From Jmol
Free 3D Mobile CAD
Braille & ASCII world map renderer for your console
Fractals generator with powerful functionality.
Notes on the finite geometry of the square and cube.
Free OMR - OCR web sofware based on javascript and PHP
gMol molecular graphics
MathJax support for MathML content embedded in SVG documents
Interactive spherical geometry software.