A high-performance Ractor web server for Ruby 4.0+: Rack 3-based, with a Rust Tokio/Hyper front-end and Ractor-parallel Ruby workers and threaded fallback mode.

💎💨 Extremely fast Ruby version and gem manager

~10KB chat widget. Zero cookies. Zero tracking. Fully open source.

Annotate your Rails controllers with route info.

ASTro: AST-based Reusable Optimization framework

Add scheduled Rails backups to Kamal

Rails engine that catches and stores webhooks from any provider

Create sane HLS video with a few commands and serve it up from an S3 object store.

portable ruby guis

scikit-learn: machine learning in Python

GraphChi's C++ version. Big Data - small machine.

Amazon Employee Access Challenge

A simple site builder in Ruby on Rails with MaglevCMS PRO.

Fiber-based Ruby web framework combining Rails ergonomics with a unified runtime

Assist developers to distribute gems with precompiled binaries.

One delightful Ruby framework for every major AI provider. Build AI agents, chatbots, RAG apps, and multimodal workflows in beautiful, expressive code.

A Roguelike Game written in vanilla Ruby

Beautiful and interactive visualizations for your ruby web pages powered by ApexCharts.JS. 📊

The speed of a single-page web application without having to write any JavaScript

Super simple group chat, without a subscription

Showcase lets you build previews for your partials, components, view helpers, Stimulus controllers and more.

🌳 Render a Rack app (Rails/Sinatra/etc) to a static build so it can be served by Netlify, Now, GitHub Pages, S3, or any other web server

🌳 The Parklife website made with 🤵🏻‍♂️ Sinatra, 🥃 Decant, and 🌳 Parklife

Use ESM with importmap to manage modern JavaScript in Rails without transpiling or bundling.

A modern rich text editor for Rails.