Bad Little Robot

Owl Gallery is a lightweight and flexible image gallery plugin that allows users to create and manage galleries. Easily add images, arrange them in any order, and display anywhere on your site.
Features:
Custom post type “owl-gallery” for managing image collections
Upload and manage multiple images per gallery
Drag-and-drop image arrangement
Shortcode support for easy embedding
Responsive and mobile-friendly design
Works seamlessly with most themes
Utilizes spotlight.js
<h3>Credits</h3>
Developed by Bad Little Robot.

Owl Gallery

Lightweight and flexible image gallery. Add images, arrange them in any order, and display beautiful galleries

ryanpcmcquen

Makes local copies of all the linked images and pdfs in a post, adding them as gallery attachments.
Source & support:
https://github.com/ryanpcmcquen/import-external-attachments
<h4>Credits</h4>
This plugin is based on the work done in the “Import External Images” plugin by MartyThornley.
https://github.com/MartyThornley
HTTPS support added by IvanDoomer: 
https://github.com/IvanDoomer
PDF support added by bengreeley: 
https://github.com/bengreeley
Most of the JavaScript was rewritten from the original plugin, to reduce the 
number of global variables.

Import external attachments

Makes local copies of all the linked images and pdfs in a post, adding them as gallery attachments.

Owl Gallery vs Import external attachments