Here are some articles on Backdrop CMS we found sprinkled around the web.

{ A Backdrop CMS Dev Workflow }

By serundeputy on Aug 24th, 2017 (English)

Backdrop CMS

By Hagen Graf on Jun 12th, 2017 (German)

Backdrop CMS

By Evangelos Athanasiadis, Gregory Netsas on May 11th, 2017 (Greek)

Backdrop CMS

By Jonathan Daggerhart on May 7th, 2017 (English)

First Look at Backdrop CMS

By David Csonka on Jul 6th, 2015 (English)

Should I wait for Drupal 8?

By Jaypan on Mar 30th, 2015 (English)

A First Look at the Backdrop CMS

By Ethan Teague on Feb 2nd, 2015 (English)

Backdrop CMS 1.0 Available on Pantheon

By Matt Cheney on Jan 16th, 2015 (English)

Backdrop CMS First impressions

By Eduardo Garcia on Dec 29th, 2014 (English)

Porting a Module to Backdrop - Basics

By Nate Lampton on Dec 13th, 2014 (English)

Backdrop CMS Layouts Preview 2

By Nate Lampton on Sep 19th, 2014 (English)

Pages