Beaufort Cipher
The Beaufort cipher, created by Sir Francis Beaufort, is a polyalphabetic substitution cipher that is similar to the Vigenère cipher, except that it enciphers characters in a slightly different manner.

The following buttons can be used to manipulate the text into various forms such as uppercase, lowercase, reverse text, etc. The choice text chosen will be copied and a new page will be opened.

The Beaufort cipher uses the following tableau (the 'tabula recta') to encipher the plaintext: