Transactional-Outbox for Rails

This Rake task investigates the application's controller, then tells you missing callbacks

This Rake task investigates the application's tables definition, then tells you missing indexes

Log errors and objects changes to Tracer.

Rails engine to track and redirect url

Track metrics such as a Twitter account's number of followers, count of tweets, etc

Currently only provides a form helper for submit tags.

Adds tracking to rake tasks including error capturing and logging.

Combination of modules for Rails.

Easier auditing of Rails model changes in your controllers.

Adds the ability to track backgrounds jobs. Currently only for delayed_job.

Track events and ActiveRecord attribute changes in a timeline

Smart, performant model auditing

A simple ActiveRecord extension gem

TrackIt allows you to track attributes changes in your ActiveRecord models

Keep track of open/click rates

Sometimes you just need to know what your accessors are at runtime, like when you're writing a controller that needs to return JSON or XML...

Simplifies using Chart.js in Rails

Trackstamps for mongoid ORM

Description of Trackster.