Manage multiple Heroku instances/apps for a single Rails app using Rake.

Issues recurring 'pings' to your Heroku apps and scales dynos up or down depending on pre-defined rules

Run many apps on a single database.

Manage workflow from source to kubernetes deployement

Enhance the LocomotiveCMS engine in order to make it run on Heroku

Middleware for Rack and Sidekiq to scale heroku. A heroku process knows everything it needs in order to scale itself. A little configuration, and you're set.

Black-box integration test framework for components on the Heroku platform.

This gem can automatically scale the dynos amount on your heroku app depending on your system busyness

Heroku Auto Scaler using heroku-api gem

Hire and fire a Navvy worker on Heroku as needed.

Easily trigger Heroku deploys from Travis builds.

work_smarter is a updated/modified version of the Komodo gem. It allows you to scale on-demand the number of delayed_job workers on Heroku, based on the length of your queue.