This Rails plugin extends ActiveRecord::Base to add automatic updating of created_by and updated_by attributes of your models in much the same way that the ActiveRecord::Timestamp module updates created_(at/on) and updated_(at/on) attributes.
A Rails plugin that adds the ability to automatically stamp each record with the currently logged in user.
Handles ActiveRecord authors in the same way as timstamps.
Simple log utility for models. Add any number of optional arbitrary details fields, or user_id.
Rails: Record user activities without controller helpers, build on top of userstamps plugin