Here is a list of the best 6 free programs in mechanical engineering
Dedicated to professionals with extensive experience in the sector, as well as students, this programs collection offers solutions to day-to-day work of mechanical engineers.
AutoCAD 360: AutoCAD documents viewer and editor
AutoCAD 360 is a Free app that lets you view, create, edit and share CAD drawings using a web browser or mobile device.
Euler Math Toolbox: Free alternative to Matlab
EMT is for everyone who needs to do numerical mathematics, optimization, statistics, symbolic or integer mathematics from the beginning student level to the research level in an interactive way with beautiful graphics.
Energy2D: Interactive Heat Transfer Simulations for Everyone
Based on computational physics research, Energy2D is an interactive, visual multiphysics simulation program that models all three mechanisms of heat transfer—conduction, convection, and radiation. Energy2D runs very quickly on most computers and eliminates the switches among preprocessors, solvers, and postprocessors typically needed to perform computational fluid dynamics simulations. As a result, students can use it as an inquiry and design tool to explore and analyze heat and mass flows in two-dimensional structures under different environmental conditions such as sunlight and wind. They can design "computational experiments" to test a scientific hypothesis or solve an engineering problem. As such, physical science, Earth science, and engineering teachers from middle schools to colleges may find Energy2D a useful tool in their classes to teach science and engineering concepts and skills without resorting to complex mathematics.
BAP (Beam Analysis Program): Practical tool to analyze moment, shear and bending beams
A Complete Beam Analysis Software but very simple in use for both Students and Practicing Civil and Mechanical Engineers and Architects. The results of BAP has been thougrouly verified by the Professional engineers under different circumstances.
VaryPlot: The engineering data ploter
VaryPlot is a freeware tool for creating two- dimensional graphs. Data samples can be loaded from ASCII files or given by equations for x and y. Its comfortable interface allows to work with multiple graphs at the same time.
Maxima: Program for calculation and graphical representation
Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series expansion, Laplace transforms, ordinary differential equations, linear equations systems, vectors, matrices and tensors. Maxima offers high precision results by using exact fractions and arbitrary precision integers. Maxima can plot functions and data in two and three dimensions.