LINKS…

CalculiX: http://www.calculix.de/

Code_Aster & Salome-MECA(Linux): https://code-aster.org/

Official Yahoo Group: http://groups.yahoo.com/group/calculix/

On-line service for CalculiX (free tools + extended options with low cost for PC time)

http://feacluster.com/calculix.php

CalculiX Examples by Prof. Martin Kraska

https://github.com/mkraska/CalculiX-Examples

CalculiX for Windows by Jeff Baylor, professional engineer

http://bconverged.com/

Dip28 Python Converters/Examples:  http://dip28p.web.fc2.com/calculix/

NETGEN+CalculiX, http://www.libremechanics.com/?q=node/19 (not completely correct – better to use quadratic elements)

CGX Post-Processing Tips: http://mechanicalhacks.wordpress.com/2011/01/10/calculix-fea-beam-part-4-post-processing-results-in-cgx/

GMSH: http://gmsh.info/

FreeCAD: https://www.freecadweb.org/

http://sourceforge.net/projects/candystore/

Youtube Channels: 

http://www.youtube.com/user/calculix09/videos

http://www.youtube.com/user/dip28p/videos

http://www.youtube.com/channel/UCB_xAypJGKIrWqNJn727ABg/videos

http://www.youtube.com/user/paulopaupitz/videos

http://www.youtube.com/user/LibreMechanics/videos

 OTHER FREE SOFTWARE: http://calc4fem.narod.ru/links.htm