Shopify CLI helps you build Shopify apps faster. It quickly scaffolds Node.js and Ruby on Rails embedded apps. It also automates many common tasks in the development process and lets you quickly add popular features, such as billing and webhooks.

Restarts your app when a file changes. A no-frills, command-line alternative to Guard, Shotgun, Autotest, etc.

Bridgetown is a next-generation, progressive site generator & fullstack framework, powered by Ruby

Log outgoing HTTP requests made from your application. Helpful for tracking API calls of third party gems that don't provide their own log output.

A gem for generating embeddable HTML previews from URLs.

Mailman makes it easy to process incoming emails with a simple routing DSL

A Danger plugin for linting Swift with SwiftLint.

Open-source Dropbox using Ruby and Git.

Foundation on Sass/Compass

A tool for creating nice looking HTML5 presentations.

Ruby library for creating IMS LTI tool providers and consumers

Ball Aerospace COSMOS provides all the functionality needed to send commands to and receive data from one or more embedded systems referred to as "targets". Out of the box functionality includes: Telemetry Display, Telemetry Graphing, Operational and Test Scripting, Command Se...

Hyrax is a featureful Samvera front-end based on the latest and greatest Samvera software components.

A static site generator. Provides dozens of templating languages (Haml, Sass, Slim, CoffeeScript, and more). Makes minification, compression, cache busting, Yaml data (and more) an easy part of your development cycle.

A Rails engine for comments.

A Danger plugin for running Ruby files through Rubocop.

Show formatted xcodebuild output in your PRs.

Automatically reload Hotwire Turbo when app files are modified.

GitHub Markdown straight from your shell.

Awestruct is a static site baking and publishing tool. It supports an extensive list of both templating and markup languages via Tilt (Haml, Slim, AsciiDoc, Markdown, Sass via Compass, etc), provides mobile-first layout and styling via Bootstrap or Foundation, offers a variety of deployment optio...