Ronn-NG builds manuals in Unix man page and HTML format from Markdown. Ronn-NG is a modern, maintained fork of the original Ronn.

Prometheus Instrumentation for Sidekiq

Rack middleware for creating HTTP endpoints for files stored in MongoDB's GridFS

Spar uses Rack and Sprockets to provide an asset development environment very similar to the asset pipeline found in Rails. It also has built in deployment tasks for deploying your entire site to AWS S3 and Cloudfront.

SPARQL Implements SPARQL 1.1 Query, Update and result formats for the Ruby RDF.rb library suite.

Treasure Data logging library

Tipi - the All-in-one Web Server for Ruby Apps

TrustyCms is a simple and powerful publishing system designed for small teams. It is built with Rails and is similar to Textpattern or MovableType, but is a general purpose content management system--not merely a blogging engine.

Datacenter Hypervisor

Rack-based WebSocket server

Provides a form helper to make it easy to make drag and drop file upload fields that work with Rails' Active Storage.

Zen by Aikido is an embedded Web Application Firewall that autonomously protects Ruby apps against common and critical attacks.

[⚠ DEPRECATED ⚠]: Use jekyll-algolia instead

Record the operation of a Ruby program, using the AppLand 'AppMap' format.

Mock external requests for Capybara JavaScript drivers

Choco brings the MVC to the client side! It allows you to easily develop maintainable Rich Internet Applications using Javascript.

Rack::Debug adds a middlerware interface to ruby-debug http://github.com/github/rack-debug

deck.js (http://imakewebthings.github.com/deck.js) is a JavaScript library for building slide presentations using HTML 5. deck.rb (http://github.com/alexch/deck.rb) builds on top of deck.js, adding some features and letting you focus on your slides, not the HTML infrastructure.

Embargoed blocks all visitors from Russia from your Rails application, displaying a pro-Ukraine message instead.

Human-friendly DSL for building HTTP(s) clients in Ruby