Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

Cheatsheets for experienced React developers getting started with TypeScript

A community-driven Ruby on Rails style guide

A Rails form builder plugin with semantically rich and accessible markup.

ExAdmin is an auto administration package for Elixir and the Phoenix Framework

Factory Bot ♥ Rails

Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.

Learn Lisp The Hard Way source-code and full book text

Simple peer-to-peer with WebRTC.

Declarative routing for React

Compiles Sass to CSS

🛠️⚡ Step-by-step tutorial to build a modern JavaScript stack.

The ultimate generator based flow-control goodness for nodejs (supports thunks, promises, etc)

Mopidy is an extensible music server written in Python

This is a Ruby wrapper for the CloudFoundry API, the industry’s first open Platform as a Service (PaaS) offering.

A static code analysis tool for the Elixir language with a focus on code consistency and teaching.

Low-Budget Password Strength Estimation

Create test data for Elixir applications

How to create modular Elm code that scales nicely with your app

🐏 Practical functional Javascript

Track changes to your Ecto models

Believe in Better CSS

🔬 A REPL for Node.

⚡️ GraphQL IDE - An extensive IDE for exploring GraphQL API's

Command-line program to download videos from YouTube.com and other video sites

Sample apps for Electron

Rack::Test is a small, simple testing API for Rack apps.

A fake FTP server for use with ruby tests

Your Rails variables in your JS