Metadata (key-value) support for minitest/spec

Let ActiveRecord serialize and cast your UUIDs to and from binary columns in your database.

The New Relic Plugin Gem is used to send plugin data to New Relic from non-application sources.

OmniAuth strategy for Hubspot (borrowed heavily from @kmrshntr)

Open OnDemand core library that provides support for an HPC Center to globally define HPC services that web applications can then take advantage of.

Stackdriver exporter for OpenCensus

List leaderboards, post scores, etc.

Papercraft: functional HTML templating for Ruby

Ruby client for Google Picasa API

A simple Rack middleware for checking app health.

Pluck multiple columns/attributes and return array of hashes. Support Rails 3, 4, 5. If you have a Rails 3 project, and want to pluck not only one column, feel free to use this gem and no need to worry about upgrading to Rails 4, 5 in the future will break this.

Polyphony-http: Polyphonic HTTP for Ruby

As of OSX 10.9 Safari can receive push notifications when it is closed.

Quality is a tool that runs quality checks on your code using community tools, and makes sure your numbers don't get any worse over time. Just add 'rake quality' as part of your Continuous Integration

Rack middleware for creating HTTP endpoints for files stored in MongoDB's GridFS

Rack middleware Captcha verification using Recaptcha API.

Rack middleware for serving static gzipped assets generated by the Rails asset pipeline

Ruby extension for ZeroMQ (ZMQ) using CZMQ - High-level C Binding for ØMQ (http://czmq.zeromq.org)

Auto-reload require files or local gems without restarting server during Rails development.

A Resque plugin. Adds locking, with optional timeout/deadlock handling to resque jobs. Using a `lock_timeout` allows you to re-acquire the lock should your worker fail, crash, or is otherwise unable to relase the lock. i.e. Your server unexpectedly looses power. Very handy for jobs ...