Here are some links to open source codes/software available on the net; all this information is collected from different posts at iMechanica. It is quite possible that we missed some, and some that are listed are not open source. If so, please feel free to edit the post or leave a comment with relevant links so that we can edit the post.

If you write a post or comment about some codes/software or if you notice one while you are reading the posts at iMechanica, please leave a note in the comments or include the information in the listing below.

If you have some code you would like to share with mechanicians, write a post in your blog and leave a comment here, so that we can update the repository database. 

We believe, over a period, we might be able to build a very authorotative and useful repository of codes here, so that this post becomes a one-stop shop for any of your code needs.

1. 1D and 2D element-free Galerkin method matlab routines ; via .
2. Codes for simulations of dislocations ; via .
3. FEMPACK finite element routines -- suite of matlab routines for pdes; via .
4. Extended finite element method codes ; via .
5. Codes for the study of biomolecules:  CHARMM ; TINKER ; via . NAMD, AMBER, GROMACS,  NWChem
6. Molecular simulation codes: LAMMPS,  DL_POLY,  NAMD, AMBER, GROMACS,  NWChem,  CHARMM,  ParaDyn , TINKER(serial)
7. Visualization codes: SCIRun (via),  AtomEye,  VMD, RasMol, Raster3d
8. Codes for miscellaneous applications --for rotations, Mohr's circles, visualization, elastic constants calculation etc; via .
9. Some pointers to open source codes for microstructural evolution ;
10. Some pointers to fast solvers ; and,
11. Some pointers to open source FEM codes . 

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