Easy activity tracking for your ActiveRecord models. Provides Activity model with details about actions performed by your users, like adding comments, responding etc.

This gem creates a scope for unread objects and adds methods to mark objects as read

A rails plugin that allows you to create extensible log of activity

Subscribe to and build activity feeds for your models, for example followings and friendships

Help you implement feeds / timeline / public activity in rails application.

Streama is a simple activity stream gem for use with the Mongoid ODM framework

Easily build timelines, much like GitHub's news feed