https://ru.wordpress.org/plugins/tags/opml/?plugin_business_model=community
Плагин отнесен в категорию opml | WordPress.org Русский
opmlwordpress
https://kal.wordpress.org/plugins/tags/opml/
Plugins categorized as opml | WordPress.org Kalaallisut
pluginscategorizedopmlwordpresskalaallisut
https://archive.framalibre.org/tag614.html
opml - Framasoft
opmlframasoft
https://urlscan.io/domain/files.opml.org
files.opml.org - urlscan.io
urlscan.io - Website scanner for suspicious and malicious URLs
filesopmlurlscan