Created by webchick, this module teaches how to code a module for Drupal 8.

This module gives you an API to create search facets; integrates with the Search API module.

Omega 4.x Demonstration w/Sebastian aka fubhy, by Joel Moore

D3 is a great JS library for visualizing data.

"This project implements code to make Drupal's configuration (settings.php) environment-dependent, so that you can have different sets of configurations in dev, staging and production. "

Rabbit Hole is a module that adds the ability to control what should happen when an entity is being viewed at its own page.

Also see Internal Nodes

This modules provides a widget called Multiple Selects list for reference and list types fields.

Compact Forms presents text fields for selected forms in a more compact fashion using jQuery.

Date Popup Authored provides a jQuery UI datepicker for the Authored on date field found on node submission forms.