Software

Basic Procedures for Cyclic, Hamming, Binary Reed-Muller, BCH, Golay codes
Maple procedures for standard operations with various families of codes.
http://web.usna.navy.mil/~wdj/codes.html

Error Correcting Codes Page
Programs written in C/C++ and Matlab that implement encoding and decoding routines of popular error correcting codes. Collected by Robert Morelos-Zaragoza.
http://www.eccpage.com/

Error-Correcting Codes in MAPLE
Basic procedures for Cyclic, Hamming, Binary Reed-Muller, BCH and Golay codes.
http://web.usna.navy.mil/~wdj/codes.htm

Low-Density Parity Check Binary Codes
MATLAB software by Igor Kozintsev.
http://www.kozintsev.net/soft.html