Original press kit from BackdropCMS.org is available at https://backdropcms.org/presskit

Warning: THE DERIVATIVES BELOW ARE NOT OFFICIAL LOGOS. THESE ARE ART-STUDIES FOR MY PROJECTS. The following work are not commissioned nor endorsed by the Backdrop CMS team :-)

Rationale

"Backdrop" according to the official presskit is defined as follows,

The name "Backdrop" was first conceived of by Mike McCaffrey as a play on the history of its parent software Drupal. The original Drupal software was used to run a site named "drop.org" (since decommissioned in favor of drupal.org). One of the original goals of Backdrop CMS was to backport a large number of features from the drastically different Drupal 8 to a simpler architecture, and so the name came from combining "backport" with "drop" to form "Backdrop".

So for them, the concept is a portmanteau of two words "backport" and "drop".

For some reason, the first thought that came to mind when I first heard it is the literal object 'bakdrap' (Tagalog/Filipino) — which is referring to the background wall typically used in photo-booths

Original logo (horizontal)

Marcky's substitution (horizontal)

Inspiration: Ponkan. Feels a little bit less depressing with a more cheerful color association. (well some people still feel sad about the forking of Drupal, so perhaps that's why they chose black?)

Valero font adds a bit of roundedness. Makes it feel a little bit "well rounded" if you see what I mean ... (the original seems a bit malnourished to me)

Original logo (vertical)

Marcky's substitution (vertical)

Inspiration: Ube. Been craving for some ube while designing this derivative :D

NOTE: this post is still being edited.