MIDI Events is a library for creating MIDI Event Messages that can be sent to MIDI Instruments through other libraries such as midi-communications or unimidi

MIDI Parser is a library for parsing MIDI Event Messages received from any MIDI device through other libraries such as midi-communications or unimidi

A tool which allows you to easily stub requests to external sites for your browser tests.

This is a basic HTTP Live Streaming (HLS) server written in Ruby using the Rack interface. It serves MP3 audio files by converting them on-the-fly into HLS format (M3U8 playlist and MP3 segment files) using `ffmpeg`. Converted files are cached for subsequent requests. This server is designed for simplicity and primarily targets Video on Demand (VOD) scenarios where you want to stream existing MP3 files via HLS without pre-converting them.

GUI Toolkit!

A mock version of Puppet Code Manager

Drop-in mock server for testing Rails apps that use OpenAI-compatible APIs. Provides deterministic responses and per-request failure simulation.

Minimal monochrome dark Jekyll theme

Statis site generator

Musa-DSL: A Ruby framework and DSL for algorithmic sound and musical thinking and composition

This package implements the Server part of the Musa DSL Live Coding Environment for Ableton Live and Bitwig Studio

Train and run GPT models in Ruby using torch.rb. A minimal, educational implementation of GPT-2 style models.

natour provides an application and a library to document nature activities.

A jekyll quasi-wiki for RPG-oriented worldbuilding.

NOT WORKING CODE. Designed to make it easy to take a spreadsheet or other tabular data and use it to generate, manipulate, and style connected graphs. Can be used from the command line or as an object model. This gem does not itself perform any rendering, although it contains facilities to drive the Graphviz familly of open source tools to generate images (e.g. gif, jpg, svm).

Nummy provides utilities that that build on Ruby's Enumerable module to provide functionality like enumerated types ("enums"), enumerating over constants in a module, and enumerating over the members of data classes. This module does NOT add additional methods to the Enumerable module, or change its behavior in any way.

Octo is a Ruby AI agent with three equal first-class interfaces: terminal CLI, web UI, and IM bridges (Feishu/WeCom/WeChat/Discord/Telegram). It speaks Anthropic Messages, OpenAI (Chat Completions + Responses), and AWS Bedrock natively, and provides autonomous tool use plus a Claude-Code-compatible skill format.

Custom OmniAuth strategy for OpenID Federation providers using openid_connect gem, supporting signed request objects (RFC 9101), ID token encryption/decryption, client assertion (private_key_jwt), and OpenID Federation entity statements. Framework-agnostic and works with Rails, Sinatra, Rack, and other Rack-compatible frameworks.

SDK to communicate with the Online Payments platform using the Online Payments Server API

ONLYOFFICE Docs Integration Ruby SDK provides common interfaces and default implementations for integrating ONLYOFFICE Document Server into your own website or application on Ruby.