Opal compatible rspec library

Allows controlling what formatter the opal-rspec Rake task uses, includes JUnit and TeamCity formtter patches

An application state and configuration management library built with Opal

Hermit jsSID wrapper for opal

Opal compatible spec library

A unit test framework for Opal.

High performance Rack server for Opal and Ruby

Minimal URI support for Opal

Client side MVC framework for Opal

Compile Ruby to JavaScript using Opal and Vite for fast development

Opal with WebAssembly support

Web MIDI wrapper for opal

Compile opal ruby from webpack

Bundle assets with webpack, resolve and compile opal ruby files and import them in the bundle, without sprockets or the webpacker gem (but can be used with both of them too). Comes with a installer for rails and other frameworks.

A port of the Zeitwerk autoloader to Opal. Zeitwerk implements constant autoloading with Ruby semantics. Each gem and application may have their own independent autoloader, with its own configuration, inflector. Supports autoloading, preloading and eager loading.

Ovto Router

An Opal library for creating view models that use Knockout.js for dynamic HTML updates and event handling

Rack middleware for automagical Opal compilation

Use Ractive.js from Ruby via Opal

Write reactive UI component with Ruby's elegancy and compiled to run in Javascript.