Decorator style assertions and type check library for Contract programming.

MPVClient provides Ruby bindings to the MPV media player, via MPV's JSON-IPC protocol.

mpvlib provides Ruby bindings to the MPV media player, via libmpv.

An album-based music catalog/player.

NewsFetcher monitors RSS and Atom feeds, tracking which items have been delivered, and sends new feed items as individual HTML emails using configurable mail delivery methods.

After include Nigilist module all ?-ends methods will return false, all non-!-ends methods will return nil.

Normalizr format JSON response generator

Formats a number into a Japanese Yen string (e.g., 12万3,456円).

omniauth strategy using Google Cloud IAP

Create and analyze musical pitches from MIDI names/numbers and scientific pitch notation (SPN)..

replace status code from 403 to 404 with Rack::Access in 'rack-contrib' gem.

A Rack middleware for cleaning ActiveRecord connection when raised Exception.

RockMotive provides DCI architecture to Rails

https://github.com/jneen/rouge/pull/441

== Rouge::Lexers::Wenyan {Rouge}[https://github.com/rouge-ruby/rouge] lexer for {Wenyan}[https://wy-lang.org/], programming language for the ancient Chinese.

RPR displays Ruby's AST on command line.

manage members' karma

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A friendlier system().

Rusholme lets you convert a keyboard input to MIDI note number, and send them to your MIDI player via OSC.