LibreCAD is a free Open Source personal CAD application for Windows, Macintosh and Linux.
Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors.
Nonio C is a program for modeling large topographic and cartographic surveys using triangles, contour lines, slope charts, color shading, sections, and three-dimensional views.
PyPile is a free lateral pile analysis software program based on p-y curves. Pile deflection, bending moment and shear force will be analyzed with different load cases.
QCAD is an application for computer aided drafting in two dimensions (2d).
Scilab is free and open source software for numerical computation providing a powerful computing environment for engineering and scientific applications.
SketchUp Pro is the most intuitive way to design, document and communicate your ideas in 3D.
Ground-breaking software for simulation and scientific visualisation. Through innovative use of interactive graphics, Sysquake reveals insights into complex mathematical systems.
Bridge Design Contest is a nationwide Internet-based competition intended to promote math, science, and technology education in US. West Point Bridge Designer provides you with the tools to model, test, and optimize a steel highway bridge.
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