You can get your todos from some tools.

generate some patterns(array) for pairwise testing.(properly speaking, I use covering array method)

High performance, background jobs for Ruby.

Helper middlewares for a Goliath (http://goliath.io/) app as used in Infochimps Planet of the APIs

Sensei runs your dojo for you. You start with a single failing cucumber feature. As you make each feature pass, the next feature is brought into play. While you have failing features, you have the opportunity to write rspec specifications. Sensei will encourage you to refactor at appropriate moments, showing you your flog score as encouragement.

A ruby client for SenseiDB.

Sensible logging defaults for your Sinatra app

Simple and comprehensible route introspection library for Rails.

This rubygem does not have a description or summary.

A Rack Middleware level filter for sensitive data

Sensor provides a set of marketing metrics

A command line utility for interacting with the Sensu api.

report status of cronjob to sensu

Filter events when event exists and post message to Slack

Extension to get metrics into Graphite

Extension to get metrics and checks results into InfluxDB

EXTENSION_TYPE extension to restart pi after connection lost

Notifu handler extension

Collect metrics in /proc/net/snmp

Check extension to collect Linux system metrics