A database backend that translates database interactions into no-ops. Using NullDB enables you to test your model business logic - including after_save hooks - without ever touching a real database.

A simple Ruby client for the parse.com REST API

PayPal Express Checkout API Client for Instance, Recurring and Digital Goods Payment.

Event driven Raspberry Pi GPIO library

Allows identical sidekiq jobs to be processed with a single background call

Ruby Google Analytics Measurement

Terjira is interactive and easy to use command line interface (or Application) for Jira. You do not need to remember resource key or id. Terjira suggests with interactive prompt.

Ruby WebHDFS/HttpFs client

Fork of google-api-client used by Ruby-based Arvados components.

Client library for accessing the EasyPost shipping API via Ruby.

Object to XML Mapping Library, using Nokogiri (fork from John Nunemaker's Happymapper)

Gem for interacting with the Nylas API.

Service objects for your application logic

sinatra-param allows you to declare, validate, and transform endpoint parameters as you would in frameworks like ActiveModel or DataMapper.

Integrated user activity notifications for Ruby on Rails. Provides functions to configure multiple notification targets and make activity notifications with notifiable models, like adding comments, responding etc.

CSV Import for humans

Analyze code for potentially uncalled / dead methods, now with auto-removal.

Efficient, convenient, non-intrusive JSONAPI framework for Rails.

A framework for creating e-books from Markdown using Ruby. Using the Prince PDF generator, you'll be able to get high quality PDFs. Also supports EPUB, Mobi, Text and HTML generation.

小説家になろうで公開されている小説の管理、及び電子書籍データへの変換を支援します。縦書用に特化されており、横書き用に特化されたWEB小説を違和感なく縦書で読むことが出来るようになります。