This plugin provides instrumentation for hardware monitoring via checking the system message buffer for "Hardware Error" entries using `dmesg`.

Sensu plugins for hipchat

This plugin provides native system I/O instrumentation for metrics collection via the system `ioping` utility.

This plugin provides native Jenkins instrumentation for monitoring and metrics collection, including: health, job status, metrics via `JQS`, and others

This plugin provides native logstash instrumentation for monitoring, including: a handler for sending events to logstash.

This plugin provides navite Mesos instrumentation for monitoring and metrics collection, including: service health and metrics for Mesos, Chronos, and Marathon.

This plugin provides native nginx instrumentation for metrics collection, including: metrics via `stub_status`.

This plugin provies native OpenStack instrumentation for monitoring and metrics collection, including: service health and metrics from Ceilometer, Keystone, Neutron, and Nova.

This plugin provides native Postfix instrumentation for monitoring and metrics collection of the mail queue via `mailq`

This plugin provides native RAID instrumentation for monitoring, including: 3ware, HP, and generic controller/array health

This plugin provides native supervisord instrumentation for monitoring service status

This plugin provides native `vmstats` instrumentation for metrics collection, including: processes waiting, interrupts per second, and others

Zookeeper plugins for checks and metrics

This is an SDK to simplify connecting to the Smartsheet API (http://www.smartsheet.com/developers/api-documentation) from Ruby applications.

Spinning Cursor is a flexible DSL that allows you to easily produce a customizable waiting/loading message for your Ruby command line program. Beautifully keep your users informed with what your program is doing when a more complex solution, such as a progress bar, doesn't fit your needs.

A toolkit for building REST APIs on top of Rack

A highly available, reliable messaging infrastructure

CapistranoMulticonfigParallel is a simple ruby implementation that allows you to run multiple tasks in parallel for single or multiple applications and uses websockets for inter-process communication and has a interactive menu

Simple and intelligent configuration file management.

Several Ruby object enhancements.