Spam Filter

This is a small Ruby on Rails plugin that can be installed as a gem in your Gemfile that allows models to attach to it to provide spam filtering functionality.

Simple spam filtering that works with any Ruby application and can be set up in minutes. Uses Akismet or TypePad AntiSpam.

Groupie is a simple way to group texts and classify new texts as being a likely member of one of the defined groups. Think of bayesian spam filters.

VPOPMail interface for Ruby. Allows to write filters, spam learners, etc. using the vpopmail software package.

A plain ruby library for filtering profanity, spam and such based on black listed words

Filters to detect spam, trolls and unwanted content

Content filter to determine the XSS, spam or offensive quality of text.