Available Periodic Tables All of the following tables are in Acrobat PDF format. To view and print these files, you will need to install the free Adobe Acrobat Reader program on your computer. The program can be downloaded from the Adobe Website .
Automatic Vigenère Decoder/Solver This is an online version of "PyGenere", a small Python program that automatically finds the codeword for ciphertexts encrypted with the Vigenère cipher. You need to give the program a piece of ciphertext that's fairly long compared to the length of the key used to encrypt it.