A lightweight ruby inversion of control (IOC) container

Current span managemt for OpenTracing

Natural language time span parsing & formatting

API Client for connecting to spanx.

Provides stored procedure modeling for ruby applications that use ActiveRecord

Spark is an easy to use CLI logger module that logs in color.

Tools for working with electronics

Sparkling watir takes heavy inspiration from tap watir and is a mobile adaptation of watir

SparkPost Ruby API client

All this does is make the root_url and image_url available to a mailer subclass

Send mail through Sparkpost API from Rails 5 app.

Light it up sparky! Random text (lorem ipsum), numbers, and names that at least look real..

A ruby wrapper for the DNSimple API that also includes a command-line client. Modified by SPARQCode to include the ability to set name servers on a domain (hopefully part of the official gem soon).

Urbanairship is a Ruby library for interacting with the Urban Airship (http://urbanairship.com) API. Includes updates from ScoutMob.

Naïve implementation of SPARQL server for RDFMapper

Provide an easy approach to build entity object for data that can not be reflected to database tables.

Sparrowhawk uses bundler and vendor/cache to package rails applications into a war file, without executing Java or JRuby

Fast and light S-Expression parser

Sparse matrix implementations (just Yale currently) in pure Ruby.

Sparta provides rails helpers to add structured data (JSON-LD) on your views. It will fight for you.