Nilsimsa, a locality-sensitive hash, in Ruby. From http://ixazon.dynip.com/~cmeclax/nilsimsa.html : "A nilsimsa code is [..] like a hash, but unlike hashes, a small change in the message results in a small change in the nilsimsa code."

• Development Status: 5 - Production/Stable
• Environment: Console (Text Based)
• Intended Audience: Developers
• License: GNU General Public License (GPL) version 2
• Natural Language: English
• Operating System: MacOS, Microsoft, POSIX
• Programming Language: C, Ruby
• Topic: Email, Indexing/Search, Security