Makes it possible to implement as many galleries as you want into your website.
https://wordpress.org/plugins/gallery-plugin/
Widgets · WordPress Plugins
Get access to data on 99,054 websites that are Gallery for WordPress Customers. We know of 33,022 live websites using Gallery for WordPress and an additional 66,032 sites that used Gallery for WordPress historically and 13,520 websites in the United States.
Get a list of 99,054 websites using Gallery for WordPress which includes location information, hosting data, contact details, 33,022 currently live websites and an additional 11,693 domains that redirect to sites in this list. 66,032 sites that used this technology previously and 13,520 websites in the United States currently using Gallery for WordPress.