One Time Pad
A live preview of this application can be viewed here.
This application is a very simple one time pad. This pad allows you to input a message and a key (if no key, it will generate one which is NOT SECURE) and outputs the encrypted message. Conversely, you can also input a cryptographic message and a key to decode the message.
Installation
To install this software, all you need to do is clone the repository into a web directory. Alternatively, replace the script in index.html that calls jQuery from Google's API servers with a local copy of jQuery to run this from a local directory.
License
This code is licensed under the MIT license. Check out the LICENSE file for more information.