**levenshtein**,
a FORTRAN90 code which
computes the Levenshtein distance between two strings.

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

**levenshtein** is available in
a C version and
a C++ version and
a FORTRAN90 version and
a MATLAB version and
a Python version.

ATBASH, a FORTRAN90 code which applies the Atbash substitution cipher to a string of text.

CAESAR, a FORTRAN90 code which can apply a Caesar Shift Cipher to a string of text.

CHRPAK, a FORTRAN90 code which works with characters and strings.

MONOALPHABETIC, a FORTRAN90 code which can apply a monoalphabetic substitution cipher to a string of text.

ROT13, a FORTRAN90 code which can encipher a string using the ROT13 cipher for letters, and the ROT5 cipher for digits.

- levenshtein.f90, the source code.
- levenshtein.sh, compiles the source code.