Tools of the trade, links to a few open source software support websites and other related resources.

This is the tools page, a list of software/tech tool links to articles and documentation.

Twig, Synfony and Drupal 8 ...

Twig Documentation
Read the online documentation to learn more about Twig.

sf Synfony documentation
Read the online books to learn more about Synfony.

drupal logo

Theming Drupal 8
This guide is about creating themes for Drupal 8 (drupal.org).

OS X ...

Get Apache, MySQL, PHP and phpMyAdmin working on OSX 10.11 El Capitan
Get your Local Web Development Environment Up & Running on OSX 10.11 El Capitan

CSS...

Don’t Overthink It Grids
CSS - Tricks, don't overthink it grid.

SMACSS
Scalable and Modular Architecture for CSS.

Responsive Images
CSS -Tricks, use srcset.