When a class is interpreted and does not have the required methods, it throws an error.

A Ruby gem to use ipify which is a simple public IP address API.

IRail makes Belgian railway schedule easily available for anyone. This is a Ruby wrapper for their API.

Ruby client to access available SOAP services of ISDS (CZ datovka)

This is a very simple text based black jack game. To use: install the gem, type in 'black_jack' to start running the program. There are several commands in the game: "deal" deals the deck "hit" gives another card "stay" allows the dealer to start playing "quit" quits the game Some known limitations to this version: 1. The dealer makes no moves, he always stays 2. There is no way to bet. 3. There is no way to play an Ace as a 1 it is always worth 11.

Ruby gem for accessing Jim Breen's Japanese dictionaries

Provides parsing, validation & accessors

Gem adapter for the Jisho search API

RubyJob is a framework for running jobs.

jQuery Expression Generator

Fast, enhanced, and compliant Ruby implementation of the JSON:API specification, evolving from jsonapi-serializer/jsonapi-serializer (originally Netflix/fast_jsonapi) with enhanced features beyond serialization.

API client for activemodel instances

RDF::JSON::LD:Signature is an implementation of the JSON-LD Signature specification for the RDF.rb library suite.

Lightweight Ruby library for converting JSON data to TOON format, achieving 30-60% token reduction for LLM applications

This is fork of Tony Pitluga's Ruby API for keepassx with read-write support.

A Ruby-based client library to interact with the Keystone service.

A Ruby wrapper for the Khan Academy API

This gem defines Markov model-related classes.

Simple gem to use the oficial LastPass CLI with Ruby.

This gem can give you knowledge about Ruby