Dropcaster is a podcast feed generator for the command line. It is most simple to use with Dropbox, but works equally well with any other hoster.

EventMachine's built-in popen does not provide access to stderr. Likewise, it's DeferrableChildProcess does not use an errback for when the process fails. This gem fixes both of those mistakes.

An updated Erubis with block support. Block inheritance soon to come.

A ruby implementation of ESC/POS (thermal) printer command specification.

Extra-lightweight SQLite3 wrapper for Ruby

Ferry is a data migration and visualization command line tool rubygem that seeks to simplify the increasingly prevalent big data problems for developers

Tired of writing Ruby in Ruby? Now you can write assembly in Ruby!

FlexMock is a extremely simple mock object class compatible with the Minitest framework. Although the FlexMock's interface is simple, it is very flexible.

A basic API for reading and writing GPX files.

I18n date/number parsing/localization

Isolate is a very simple RubyGems sandbox. It provides a way to express and automatically install your project's Gem dependencies.

Add CDN support to jquery-rails

Build complex rules, serialize them as JSON, and execute them in ruby. See http://jsonlogic.com

Rails I18n library for ActiveRecord model/data translation using PostgreSQL's JSONB datatype. Translations are stored directly in the model table rather than shadow tables.

**** letsencrypt-plugin gem has been renamed to acme-plugin, please use acme-plugin instead**letsencrypt-plugin is a Ruby on Rails helper for Let's Encrypt service for retrieving SSL certificates (without using sudo, like original letsencrypt client does). It uses acme-client gem for communication with Let's Encrypt server.

Ruby bindings for libnotify using FFI

Liquid performance extension in C

A library for dealing with SOAP requests and responses. We tear our hair out so you don't have to.

A very fast way to turn TeX math equations into beautifully rendered SVGs, to embed on the web. This library is mostly written in C and is a general purpose wrapper to GNOME's Lasem.

Ruby API for Mercurial DVCS.