Re:VIEW is a digital publishing system for books and ebooks. It supports InDesign, EPUB and LaTeX.

Puppet's accceptance testing harness

Dynamoid is an ORM for Amazon's DynamoDB that supports offline development, associations, querying, and everything else you'd expect from an ActiveRecord-style replacement.

fir.im command tool, support iOS and Android

Useful tools for Sorbet enthusiasts.

Official LaunchDarkly SDK for Ruby

SAML IdP (Identity Provider) Library for Ruby

XMLRPC is a lightweight protocol that enables remote procedure calls over HTTP.

Collection of filters for transforming text into HTML code

This gem allows you to render SVG directly into a PDF using the 'prawn' gem. Since PDF is vector-based, you'll get nice scaled graphics if you use SVG instead of an image.

Full HMAC auth implementation for use in your gems and Rails apps.

Family of libraries that support various formats of XML "feeds".

ROXML is a Ruby library designed to make it easier for Ruby developers to work with XML. Using simple annotations, it enables Ruby classes to be mapped to XML. ROXML takes care of the marshalling and unmarshalling of mapped attributes so that developers can focus on building first-class Ruby classes. As a result, ROXML simplifies the development of RESTful applications, Web Services, and XML-RPC.

Twine is a command line tool for managing your strings and their translations. It is geared toward Mac OS X, iOS, and Android developers.

Pure Ruby module for interaction with D-Bus IPC system

A set of handy tools to upgrade your Rails application and keep it up to date

Asciidoctor diagramming extension

Provides a quick mechanism to visualize your EC2 security groups in multiple formats

A Ruby frontend to the pdftk binary, including FDF and XFDF creation. Also works with the PDFTK Java port. Just pass your template and a hash of data to fill in.

Ruby library for creating IMS LTI tool providers and consumers