The codebase for Exercism's website.

Rails engine for cache-friendly, client-side local time

Self-Hosted - Project Management, Planning and Time Tracker

A tool to manage rack apps in development with puma

Kanban as it should be. Not as it has been.

Compact ZIP file writing/reading for Ruby, for streaming applications

🌿 Powerful and seamless HTML-aware ERB parsing and tooling.

🌱 A new ActionView-compatible ERB engine with modern DX - re-imagined with Herb.

Beautiful, Modern & Opinionated Linux

📚 Collaborative cheatsheets for console commands

dev tools, env vars, task runner

A terminal-based Rails log viewer with real-time monitoring and filtering capabilities

The automatic indexer for Postgres

Sync data from one Postgres database to another

Itsi – the teensy‑weensy Ruby Rack server, static asset server, reverse proxy, API gateway, and fiber scheduler!

calculate_all method for aggregate functions in Active Record

Optimized top-N-per-group Active Record associations using lateral joins

A Ruby Implementation of the Model Context Protocol

A collection of bridge components for Hotwire Native apps.

One beautiful Ruby API for OpenAI, Anthropic, Gemini, Bedrock, OpenRouter, DeepSeek, Ollama, VertexAI, Perplexity, Mistral, GPUStack & OpenAI compatible APIs. Chat, Vision, Audio, PDF, Images, Embe…

The Open Source Ruby on Rails SaaS Template

Automatically generates beautiful and easy-to-read ER diagrams from your database.

GitHub-style markdown editor for Ruby and Rails

A modern replacement for Redis and Memcached

Hunspellov rječnik za hrvatski

A simple library that handles recurring events.

Database-backed Active Job backend

Lightweight proxy server for Kamal

Deploy web apps anywhere.

bcrypt-ruby is a Ruby binding for the OpenBSD bcrypt() password hashing algorithm, allowing you to easily store a secure hash of your users' passwords.