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CAE Linux: A Linux distribution designed specifically for computer aided engineering. Based on the open-source CAE Salom & Code_Aster software, you can load STEP / IGES geometry in Salom and start partitionning and meshing your problem in just 5 minutes.
OpenFOAM: The OpenFOAM (Field Operation and Manipulation) software package can simulate anything from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid dynamics, electromagnetics and the pricing of financial options.
Elmer: Elmer is an Open Source Finite Element Software for Multiphysical Problems. Elmer includes physical models of fluid dynamics, structural mechanics, electromagnetics, heat transfer and acoustics, for example. These are described by partial differential equations which Elmer solves by the Finite Element Method (FEM).
SwisTrack: Multi-Object Video Tracking Software: SwisTrack allows for tracking multiple objects such as insects or robots from a video stream provided by a file or directly from a camera. SwisTrack's user interface allows adjusting parameters on the flight, and thus allow to find an optimal tracking configuration choosing from a suite of already implemented algorithms for segmentation and filtering in an intuitive fashion. Contributing code to SwisTrack is made easy as tracking core and GUI share an XML description of available tracking modes and its parameters.
JPIV Particle Image Velocimetry: JPIV is a software package for Particle Image Velocimetry (PIV). The program is open source and platform independent.
IMTEK Mathematica Supplement (IMS): The IMS is an open source Mathamtica Add-On providing more than 650 functions to Mathamtica: a nD fintie element environment, a circtuit simulator, model orde reduction, unstructured plotting and visualization. Many tutorials for simulation, Quamtum Mechanics and interfaces to VTK, HDL, Ansys, Tetgen, Triangle and more
OOFEM: is an object oriented, parallel, multiphysics finite element code system for solving mechanical, transport and fluid mechanics problems.
Calculix: Finite element package which accepts Abaqus INP files. Includes pre- and post-processor
Salome: SALOME is a free software that provides a generic platform for Pre and Post-Processing for numerical simulation. It is based on an open and flexible architecture made of reusable components available as free software. It is open-source (LGPL), and you can download both the sourcecode and the executables from this site. Salome Platform: * Supports interoperability between CAD modeling and computation software (CAD-CAE link) * Makes easier the integration of new components on heterogeneous systems for numerical computation * Sets the priority to multi-physics coupling between computation software * Provides a generic user interface, user-friendly and efficient, which helps to reduce the costs and delays of carrying out the studies * Reduces training time to the specific time for learning the software solution which has been based on this platform * All functionalities are accessible through the programmatic integrated Python console
Code Aster: Code Aster is a genaral purpose FEA code. It has the ability to solve problems in non-linear thermo-mechanics, coupled fluid-structure dynamics, sismic/non-linear explicit dynamics, contacts, and visco-plasticity.
Gpiv: Gpiv is a graphic user interface program for recording and analyzing images obtained from a fluid flow that has been seeded with tracer particles by the so-called Particle Image Velocimetry technique (PIV). The program allows to have a quick overview of the parameter settings of all processes, easily changing them, executing the processes and visualizing their results in an interactive way.
OpenSim: OpenSim is an open-source software system that lets users develop models of musculoskeletal structures and create dynamic simulations of movement. The software provides a platform on which the biomechanics community can build a library of simulations that can be exchanged, tested, analyzed, and improved through multi-institutional collaboration.
catool: catool is a cross-platform GPL tool for the analysis of internal combustion engine pressure data. It calculates parameters such as IMEP, MFB, Pmax, Knock pressure and calculates cycle statistics. Data can be imported in CSV or AVL IFile format and exported as CSV, MATLAB or AVL IFile.
OpenFVM: OpenFVM is a general open source three-dimensional CFD solver (for Linux and Windows). It uses the unstructured finite volume method to simulate non-isothermal transient flow. Gmsh is used for pre- and post- processing.
URAPIV - open source Matlab Toolbox for Particle Image Velocimetry (PIV) analysis: URAPIV is an open source Matlab Toolbox for Particle Image Velocimetry (PIV) analysis. Particle Image Velocimetry is a planar, non-intrusive, optical imaging measurement technique that allows for two-dimensional, high-resolution velocity vector fields of laminar and turbulent flows.
ASCEND modelling environment: ASCEND is a flexible modelling environment for solving hard engineering and science problems. It offers: an object-oriented model description language for describing your system, an interactive user interface that allows you to solve your model and explore the effect of changing the model parameters, and a scripting environment that allows you to automate your more complex simulation problems.
OpenSim - a dynamic 3D robotics simulator for AI research: A robotics simulator that utilizes a constrained rigid-body (Newtonian) solver to simulate multiple mobile robots and manipulator systems, including sensors. Intended for robotics/AI researchers. Currently includes various sensor simulations and inverse kinematics solvers for redundant serial-chain manipulators.
DuMuX: DuMuX, DUNE for multi-{phase, component, scale, physics, ...} flow and transport in porous media, is a free and open-source simulator for flow and transport processes in porous media. It is based on the Distributed and Unified Numerics Environment DUNE, dune-project.org. Its main intention is to provide a sustainable and consistent framework for the implementation and application of model concepts, constitutive relations, discretizations, and solvers. It has been successfully applied to CO2 storage scenarios, environmental remediation problems, transport of therapeutic agents through biological tissue, and subsurface-atmosphere coupling. DuMuX is part of the OPM (Open Porous Media) initiative, opm-project.org.
Open Source Image Velocimetry: OSIV is a program written to perform cross-correlation analysis of particle image velocimetry (PIV) images. The program was designed to be both very modular and quite efficient. It incorporates most of the tried-and-true algorithms and some of the more recent additions to the PIV toolkit.
ns-3: ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. ns-3 is free software, licensed under the GNU GPLv2 license, and is publicly available for research, development, and use.
View3D: calculation of radiation view factors in 2D and 3D: View3D is a command-line tool for evaluating radiation view factors for scenes with complex 2D and 3D geometry. It uses an adaptive integration method to calculate the view factors between faces where there is partial obstruction from inbetween faces. This program can be used to calculate the view factors (aka shape factors/configuration factors/form factors) for radiant heat transfer in diffuse grey enclosures.
pdnmesh: finite element program: A free, opensource, finite element program.
nemesis: nemesis is an open source, experimental, C++ finite element code, freely distributed under the terms of the GNU Public License.
SimTK core: The SimTK Core project collects together all the hardware-independent binaries needed for the various SimTK Core subprojects. These include SimTKcommon, Simmath, Simmatrix, Simbody, CPodes, IPopt, and much more. See the individual projects for descriptions.

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