Fit4Ruby is a Ruby library to read and write FIT files.

Coach trail avec Claude — template : intake, règles de coaching, génération de plan, suivi Strava

Cloud-Native Wearable Analytics Framework

Parts of DragonRuby GameToolkit source released under MIT license.

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

~15KB 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.