A Ruby library for prying open files you can convert to a previewable format, such as video, image and audio files. It includes a number of parser modules that try to recover metadata useful for post-processing and layout while reading the absolute minimum amount of data possible.

GitLab metrics exporter to use with prometheus

llm.rb is Ruby's most capable AI runtime. It runs on Ruby's standard library by default. loads optional pieces only when needed, and offers a single runtime for providers, agents, tools, skills, MCP, A2A (Agent2Agent), RAG (vector stores & embeddings), streaming, files, and persisted state. As a bonus, llm.rb is also available for mruby. It supports OpenAI, OpenAI-compatible endpoints, Anthropic, Google Gemini, DeepSeek, xAI, Z.ai, AWS Bedrock, Ollama, and llama.cpp. It also includes built-in ActiveRecord and Sequel support, plus concurrent tool execution through threads, tasks (via async gem), fibers, ractors, and fork (via xchan.rb gem).

A comprehensive Ruby library for building Model Context Protocol (MCP) servers in Rails applications, featuring tools, resources, authentication, and real-time capabilities.

https://github.com/0dayinc/pwn/README.md

Recurring / Periodic / Scheduled / Cron job extension for Sidekiq

Use Watir (http://github.com/watir/watir) in Rails.

Twirp support for WebMock

Reproduce key concepts of Workato SDK, DSL, behavior and constraints.

Allows to define special attributes for ActiveAdmin panel to make it AJAX loadable and auto-updatable

CoolId generates primary keys using prefixed nanoids for ActiveRecord models, providing unique and readable identifiers.

see http://cpee.org

A configurable demo mode for your Rails app. Specify your desired "personas" and DemoMode will handle the rest.

You can control to DeployGate in your terminal

Create mock server from Openapi specification

Fluentd Output Plugin for PostgreSQL JSON Type.

Host gRPC-Web endpoints for Ruby gRPC services in a Rack or Rails app(over HTTP/1.1). Client included.

A basic but extensible Jekyll theme based on Bootstrap 5, with support for GitHub Pages and Bootstrap Icons.

A Jekyll theme inspired by classic 8bit games.

Use Vite.js in Jekyll and enjoy a modern assets pipeline