A simple way to check your app heart.

String extensions to convert binary data to / from human readable hex tuples.

Hm is a library for clean, idiomatic and chainable processing of complicated Ruby structures, typically unpacked from JSON. It provides smart dig and bury, keys replacement, nested transformations and more.

HotCocoa is a Cocoa mapping library for MacRuby. It simplifies the use of complex Cocoa classes using DSL techniques.

Everything you could want for making Phillips Hue lightbulbs obey your every command.

ONIX 3.0 & 2.1 parser for Ruby

A ruby client for Cloudera's Impala

A version of _why's Freaky Freaky Sandbox for JRuby.

Provide asset_path helper in javascript

A meta-release of the json-ld gem including preloaded vocabularies for the Ruby RDF.rb library suite.

Simple and opinionated helper for creating Rubygem projects on GitHub

kakurenbo-puti provides an ActiveRecord-friendly soft-delete gem. This gem does not override methods of ActiveRecord. I think that kakurenbo-puti is cho-iketeru! (very cool!)

Generate passwords using KeePass password generator patterns

'Wrapper for Kraken Exchange API'

Ruby bindings for the Layer Platform API

A metadistribution of RDF.rb including a full set of parsing/serialization plugins.

llm.rb is a zero-dependency Ruby toolkit for Large Language Models that includes OpenAI, Gemini, Anthropic, xAI (grok), zAI, DeepSeek, Ollama, and LlamaCpp. The toolkit includes full support for chat, streaming, tool calling, audio, images, files, and structured outputs.

Lock and cache methods, in case things should only be calculated once across processes.

Mongrel2 Rack handler and pure handler. Works with Rack, so it works with Rails!

Easily sync your certificates and profiles across your team using git