Pushpop is a powerful framework for taking actions and integrating services at regular intervals.

Rails engine for bundling all the configurations and depencies necessary to run a remote mailing/notification service.

Just the bare minimum of what's needed to create bi-directional chat bots using Roda as backend, sucker_punch and Clockwork for async and timed jobs.

Sensu plugins for clockworksms

Sonic is a Rails engine which provides a status page for your applications services, along with a number of tools to periodically check those services.