Auto-syncs records in client-side JS (through a Model DSL) from changes (updates/destroy) in the backend Rails server through ActionCable. Also supports streaming newly created records to client-side JS. Supports lost connection restreaming for both new records (create), and record-changes (updates/destroy). Auto-updates DOM elements mapped to a record attribute, from changes (updates/destroy).

Easy livereloading of assets for Rails.

Run your GitHub webhook server and Send simulated github events

Rails is awesome, but modern web needs Loco-motive.

Http output status for monitoring

Direct-to-socket streaming of Rack response bodies

Lookout is a fork of Ahoy Captain with SQLite support, continued maintenance, and modern Rails 8 compatibility. Full-featured analytics dashboard with conversion funnels, goals tracking, and beautiful visualizations.

Gem that allows you to run a version of SQS server locally.

A command line utility for markdown fun

Magis Framework Gem

Maglev is a simple CMS mountable engine to quickly add intelligent pages to your site

This gem contains development and built tools for creating MagLoft themes.

[JRuby portion] of the original MailCatcher. MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:9000 instead of your default SMTP server, then check out http://127.0.0.1:9090 to see the mail.

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

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.

A ruby MVC framework implented using rack.

Implements a client for Message Bus, with communication over HTTP

metasploit-framework

Pedal-to-the-metal HTTP client for GET requests

Rails engine that checks for pending migrations and presents an error screen that allows you to manage your migrations.