Config as YAML yet still being 12-factor compliant, by serializing the file as one environment variable.

SevenZipRuby (seven-zip) is a ruby gem library to read and write 7zip archives. This gem is based on seven_zip_ruby gem by Masamitsu MURASE (masamitsu.murase@gmail.com).

Sexpr helps manipulating s-expressions in ruby.

Adds inline css support to action mailer so you can use a stylesheet to tame your email templates.

SparkleFormation Parameters Callback

Uses libssh via FFI to create an SFTP server. Useful for testing interactions with a remote SFTP server.

OpenTracing instrumentation for Sidekiq.

SGF::Parser does standard stream parsing of the SGF file, instead of using an AG or some other auto-generated parser. It is therefore faster to use. It also intends to be very object-oriented and hopefully will also be easier to use.

An implementation of SHA3 in pure Ruby.

This library adds a new, custom X-Git-SHA header to your Rails application's response which contains the SHA hash that your application is currently running.

Lightweight flexible factories for Ruby and Rails testing.

Scalable distributed append-only data store

Shamrock helps you to use stub services in your application by starting a rack service in a Thread

Shard is a light-weight code loading-and-running-and-sharing tool, built on top of http://gist.github.com. You can load the shard's code using a Kernel#shard method, and can load, run, and test a shard directly from the command line.

Check how many times a URL has been shared on social networks and aggregators

Work with spreadsheets easily in a native ruby format.

The only responsive, fluid CSS grid with infinitely nestable columns.

CLI for Building & Distributing iOS Apps (.ipa Files)

Manage model with a period on ActiveRecord.

Worker and enqueuer for Q4M using the interface of ActiveJob.