An über simple web microframework built on rack and tilt.

Lightweight, fast and easy to use small ruby web framework.

Mackarel allows you to write acceptance tests in Rails in a readable way without having to deal with things like Cucumber.

Zero-configuration command-line HTTP server.

Magis Framework Gem

Receives checkins from the magistrate gem and sends back commands

A simple queue API with a maildir backend. Also includes an HTTP API

Integration with Mailgun Webhooks

This gem contains Maini libs utils

Framework built from scratch

Ruby library to generate sitemap for DataCite Commons.

Rack middleware to enabled CORS

Ramaze is a simple and modular web framework

A Ruby gem providing development tools for MapLibre GL JS styles, including advanced layer filtering, terrain visualization, elevation profiles, and performance monitoring.

Convenience method to provide controller actions that correspond to the HTTP verbs.

A local web server for browsing markdown documentation with real-time file watching, syntax highlighting, and diagram rendering

{Marlowe}[https://github.com/KineticCafe/marlowe] is a Rack middleware that extracts or creates a request ID using a pre-defined header, permitting request correlation across multiple services. When using Rails, Marlowe automatically adds itself to the middleware before <tt>Rails::Rack::Logger</tt>. As of Marlowe 3.0, a Faraday middleware is provided (<tt>require 'marlowe/faraday'</tt>).

Mascot rack app for stand-alone of embedded usage.

Transform mathematical images to LaTeX, chemistry structures to SMILES, and documents to markdown with security-first design. Features HTTPS enforcement, path traversal protection, structured logging, and complete MCP (Model Context Protocol) server integration. The geodesic path to mathematical OCR in Ruby.

Autoscale your Heroku dynos