library showing values of variables and method calls in an expression

progressbar library for Ruby

Useful extensions to core Ruby classes

fast, nimble PDF generation library for Ruby

Provides icon fonts for PrawnPDF

tool to write manuals for Prawn and Prawn accessories

SVG renderer for Prawn PDF library

table support for the Prawn PDF generation library

Preflight for HTML e-mail

tool to easily create styled HTML emails in Rails

Defines the daemon functionality using a Ruby class

Defines Foo.call(*args) which invokes Foo.new(*args).bar

Convert Proc object to AST::Node

Fast Ruby profiler

Text progress bar library for Ruby

suite of instrumentation metric primitives

compresssor and decompressor for HTTP 2.0 HPACK

providing abstractions to handle HTTP protocols

low level implementation of the HTTP/1 protocol

low level implementation of the HTTP/2 protocol

add support for HTTP or SOCKS proxies

step-by-step debugging and stack navigation capabilities in pry using byebug

Use Pry as your rails console

Domain name parser based on the Public Suffix List

kill memory leaking puma workers

object oriented authorization for rails

Access the Puppet Forge API from Ruby

rake tasks and spec helper for spec tests on puppet modules

Syntax checks for Puppet manifests, templates, and Hiera YAML

pygments wrapper for Ruby

QDBM Database Libraries for Ruby

QR code generator for Ruby

Very dumb PEG parser library

Ruby templating library with JSON, BSON, XML and MessagePack support

fast Rails 3+ templating system with JSON and XML support

modular Ruby webserver interface

suite of tools for interpreting HTTP Accept family for Ruby/Rack

Block & throttle abusive requests

HTTP Caching for Rack

enable Cross-Origin Resource Sharing in Rack apps

Flash hash for Ruby Rack applications

Simple Rack middleware to inject the Google Analytics tracking code

LiveReload support for Rack applications

rack middleware for ruby webapps to detect mobile devices

Stackable dynamic tree based Rack router

Rack interface for an OAuth 2.0

Ruby Rack library to provide access to OpenID

Rack Middleware for parsing post body data

piwik Analytics racking in your Ruby-Rack based project

Protects against typical web attacks for Rack apps