Awesome Ruby and Rails Open Source applications 🌈

Example DSPY based agents

Open-source email marketing platform for independent artists and creators. Built with Next.js, Supabase, and AWS SES.

An object-oriented alternative to ActionView for Ruby on Rails.

A mountable Rails engine that provides a dashboard to view Active Storage data

Interactive system testing UI for capybara

Free tier of Heroku Dynos, Postgres and Data for Redis will no longer be available after November 28, 2022. Let's find a list of services with a free plan that developers can use as an alternative …

The Ruby Programming Language

📖 Runbooks that run

FOSS mass appraisal and automated valuation modeling toolkit

Bring Microsoft Recall to Linux!

🚥 Traffic control for code.

A better way to generate and send emails

A security analysis tool to detect Shai-Hulud malware infections across GitHub and NPM ecosystems

The Ruby framework for programming—rather than prompting—language models.

A Rails Engine to handle RAG stuff.

🐀 Small chrome extension to monitor (and optionally block) other extensions' network calls

SYNBUILD-3D: A large, multi-modal, and semantically rich synthetic dataset of 3D building models at Level of Detail 4

Tidewave for Rails

🌵 Federated mobile first open-source RSVP platform. Alternative for meetup.com & eventbrite and partiful for small companies and groups.

Apache Iceberg for Ruby

adrs as a service

A web-based notepad with calculation support

Full-featured MCP support for Ruby and RubyLLM—making it easy to build structured, composable LLM workflows in pure Ruby.

Pydoll is a library for automating chromium-based browsers without a WebDriver, offering realistic interactions.

This is a Ruby implementation of MCP (Model Context Protocol) client