WAFP is an easy to use Web Application Finger Printing tool written in ruby using sqlite3 databases for storing the fingerprints.
You can download it from the following link: https://packetstormsecurity.com/files/download/84468/wafp-0.01-26c3.tar.gz
Source: https://packetstormsecurity.com/files/84468/Web-Application-Finger-Printer-0.01-26c3.html