The free 3D-printable educational construction-set toy you can downloa
An interactive viewer for three-dimensional chemical structures.
Surface Explorer 3D plots mathematical surfaces in 3D.
Maintain logs of model rocket flights and your rocket fleet inventory
LDraw™ editor for LEGO® style digital building instructions.
show and edit eulumdat files
a free cross platform checksum utility, supports 58+ hash algorithms
Calculates Volume, Surface Area & Centroid of a Closed Triangular Mesh
Quaternion Viewer and Converter
Electromagnetic Analysis Software
Learning programming language for kids
GUI for MOPAC, DFTB+, GAMESS, Firefly, NWChem, ORCA and PSI4
Create, display and process 2D vectors in a 3D window.
MStorage - storage for notes.
ActiveX/ATL molecular viewer component
Software for calculating geometric properties of cross sections
A modeling tool for software engineers (OO)
gMol molecular graphics
Visualization of gravitational force effects between (two) objects
Easy to use physics simulation combining ODE with OpenInventor.