render_static allows you to make your single-page apps (Backbone, Angular, etc) built on Rails SEO-friendly. It works by injecting a small rack middleware that will render pages as plain html, when the requester is one of the most common crawlers/bots out there (Google, Yahoo Baidu and Bing)

Spaced repetition algorithm module that can be used as a mixin in Ruby apps

Replay supports event-sourced data models.

master-slave replication helper for ActiveRecord

RPM repository metadata (RepoMD) parser

Mine repositories for interesting changes over time

Visualizer for Repsheet

shared base for request_handler using dry-* gems

Based on padrino's ruby require code

Provides a convenience method to retry blocks of code that might fail due to temporary errors, e.g. a network service that becomes temporarily unavailable. The retries are timed to back-off exponentially (2^n seconds), hopefully giving time for the remote server to recover.

Ruby interface for the RescueTime Data Analytics API.

Make your reserved words on Rails

Ruby wrapper for easy interaction with a RESO Web API compliant server.

Supports Trestle, Spark, Bridge Interactive, MLS Grid

Allows communication with MLS systems conforming to the RESO Web API standard

For all of you, who prefer to add JS libraries via gem

Easy to use response state pattern

Easy to use response state pattern

There are a number of plugins which allow you define unique jobs, but each only handle on use-case. This allows you have full control over how uniqueness is defined

Normally resque processes queues in a fixed order. This can lead to jobs in queues at the end of the list not getting process for very long periods. resque-fairly provides a mechanism where by workers are distributed across the set of queues with pending jobs fairly. This results in a much more predictable mean time to handling for jobs in queues that are not the first in the list.