Rails 3 Bayesian Ratings Gem
Acts_as_rateable is a rails plugin providing a rating interface for ActiveRecord models.
Rails gem that provides Net Promoter Score (NPS) ratings and analysis for ActiveRecord models. It can be used as a regular 0 to 10 rating scale and you can just ignore the NPS analysis methods.
Rails plugin providing a rating interface for ActiveRecord models
A ratings system for Rails apps using MongoDB, with bayesian and straight averages, and weighting.
Acts_as_rateable is a rails plugin providing a rating interface for ActiveRecord models.
Plugin/gem that provides rating functionality