Supercomputing Department DGSCA, UNAM:
http://www.super.unam.mx/

World's Top 500:
http://www.top500.org/


C:

C Programming notes
http://www.eskimo.com/~scs/cclass/notes/top.html

C programs related to the book "An introduction to computacional physics":
http://www.physics.unlv.edu/~pang/cp_c.html


Fortran 77 90/95:

Fortran 77 programs related to the book "An introduction to computacional physics":
http://www.nsc.liu.se/~boein/f77to90/

Fortran 90 programs related to the book "An introduction to computacional physics:
http://www.physics.unlv.edu/~pang/cp_f90.html

Fortran 90 for the Fortran 77 programmer:
http://www.nsc.liu.se/~boein/f77to90/


MPI:

Using MPI
http://www-unix.mcs.anl.gov/mpi/usingmpi/index.html

MPI Tutorial:
http://www.llnl.gov/computing/tutorials/mpi/

MPI Tutorials on the web:
http://www-unix.mcs.anl.gov/mpi/tutorial/

National Center for supercomputer applicacions tutorials:
http://ci-tutor.ncsa.uiuc.edu/login.php

Parallel programing with MPI:
http://www.osc.edu/supercomputing/training/mpi/

Multiprocessing by message passing:
http://scv.bu.edu/documentation/tutorials/MPI/

An introduction to computacional physics:
http://www.physics.unlv.edu/~pang/cp.html