Jazz theory is a mathematical system of concepts and relationships, why not make an ActiveModel representation of those concepts?

This Gem includes a suite of tools for managing webmentions in Jekyll: * Tags * Count of webmentions (filterable) * All webmentions (filterable) * Bookmarks * Likes * Links * Posts * Replies * Reposts * RSVPs * Contents for the `head` of your pages * JavaScript enhancements...

Validatable is a library for adding validations.

Simple library for binding & group querying on top of various LDAP implementations

Integrate Litestream with the RubyGems infrastructure.

Send emails, track statistics, and manage your subscriber base with ease.

Automatically includes Modules from app/concerns/<module_with_concerns>/<concern>.rb into <module_with_concerns> to ease monkey-patching associations and validations on ActiveRecord::Base descendents from other gems when layering schemas.

mongoid_spacial simplifies spacial calculations. Adds integration into mongoid so pagination and other function continue to work. It adds symbol extentions to simplify query creation.

Retrieve server information from Monit.

Ruby API for interacting with a mumble server

Store nested hashes and other types in ActiveRecord hstores

Ruby wrapper to OneSignal API, mapping to Plain Old Ruby Objects

Openlibrary.org API Interface

Provides support to utilize the OpenSRS API with Ruby.

PAY.JP makes it way easier and less expensive to accept payments.

Pipedrive.com API Wrapper

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

A command-line utility built for copying the contents of one redis db to another over a network. Supports all data types, persists ttls, and attempts to be as efficient as possible.

A Redis-backed statistics storage and querying library written in Ruby.

A Sinatra extension for building Shopify Apps. Akin to the shopify_app gem but for Sinatra