PNG is an almost-pure-ruby PNG library. It lets you write a PNG without any C libraries.

props - Manage Settings Hierachies (Commandline, User, Home, Defaults, etc.)

punkart gem - (automagically) turn your "classic" punk (pixel) heads into dollar greenbacks, gold/silver/bronze coins, and much more

punks - generate your own 24×24 (or 32×32 or 12×12) punk (incl. Matt & John's® ye olde punk v1/v2 anno 2017 style), phunk, philip, marilyn, marc, saudi/sheik, man in black, hottie 'n' more (pixel) avatar / character images (off chain) from text attributes (via built-in spritesheets); incl. 2x/4x/8x zoom for bigger sizes and more

A package that provides abstractions for the Puppet Metadata

Parse Puppet modules for classes, defines, parameters and documentation

QueryableArray is intended to store a group of objects which share the same attributes allowing them to be searched with a simplified DSL

A sinatra based interface for browsing and admiring your gems.

Rack::Brotli enables Google's Brotli compression on HTTP responses

Controls blink(1)

RDBI is a rearchitecture of the Ruby/DBI project by its maintainer and others. It intends to fully supplant Ruby/DBI in the future for similar database access needs.

records - frozen / immutable structs with copy on updates

RIMS is Ruby IMap Server. This gem provides a complete IMAP server by itself. The IMAP server can run as a daemon, mailboxes are provided and messages can be delivered to them.

A gem packaging of ICU4J.

A gem packaging of Jackson JSON Processor.

A gem packaging of the Jetty Web Server for JRuby.

Ruby to Lua bindings

Generic role strategies sharing the same API. Easy to insert in any model

RSpec HTML Formatter

rspec-padrino is a gem including helpers for testing a Padrino app using RSpec. Taking much from rspec-rails.