Canistor allows you to register an HTTP handler with the AWS SDK and all interaction with S3 buckets and objects will happen in memory instead of hitting the service.

A Sequel plugin that logs changes made to an audited model, including who created, updated and destroyed the record, and what was changed and when the change was made. This plugin provides model auditing (a.k.a: record versioning) for DB scenarios when DB triggers are not possible. (ie: on a web app on Heroku).

Source env.bash script to update environment

Folly implements methods to trigger failures like segmentation faults.

Garoon Cat: A Ruby interface to the Garoon API.

Sole helps with generating unique identifiers similar to a UUID or ULID but packing in additional metadata to make it useful for storage solutions.