unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between unicorn and slow clients.

Flay analyzes code for structural similarities. Differences in literal values, variable, class, method names, whitespace, programming style, braces vs do/end, etc are all ignored. Making this totally rad.

This package provides Ruby bindles for cppjieba, a library to help with processing Chinese text.

This package provides a generic OAuth (1.0/1.0a) strategy for OmniAuth.

Psych is a YAML parser and emitter. Psych leverages libyaml[https://pyyaml.org/wiki/LibYAML] for its YAML parsing and emitting capabilities. In addition to wrapping libyaml, Psych also knows how to serialize and de-serialize most Ruby objects to and from the YAML format.

lmdb is a Ruby binding to OpenLDAP Lightning MDB.

Character encoding auto-detection in Ruby. As smart as your browser. Open source.

The sprockets template for Ember Handlebars.

Flamegraph support for arbitrary ruby apps

Kwalify is a parser, schema validator, and data binding tool for YAML and JSON.

Use Pry as your rails console

Optimize (lossless compress, optionally lossy) images (jpeg, png, gif, svg) using external utilities (advpng, gifsicle, jhead, jpeg-recompress, jpegoptim, jpegrescan, jpegtran, optipng, pngcrush, pngout, pngquant, svgo)

Flog reports the most tortured code in an easy to read pain report. The higher the score, the more pain the code is in.

This gem provides multi-db support for Rails applications. Using its middleware you can partition your app so each hostname has its own db. It provides a series of helper for working with multiple database, and some additional rails tasks for working with them.

ActiveModel::Serializers allows one to generate your JSON in an object-oriented and convention-driven manner.

Ruby is a dynamic object-oriented programming language with a focus on simplicity and productivity.

Ruby Babel is a bridge to the JS Babel transpiler.

Kaminari is a Scope & Engine based, clean, powerful, agnostic, customizable and sophisticated paginator for Rails 4+

This package provides a mixin to add configuration functionality to your classes

Convert BBCode to Markdown and check whether the BBCode is valid.

This package provides a Ruby wrapper around the Javascript V8 engine.

Better than Pathname

EXIF Reader is a module to read EXIF from JPEG and TIFF images.

RDF.rb plugin for parsing/serializing NTriples, RDF/XML, Turtle and RDFa data using the Raptor RDF Parser library.