Emails to posts
It appears to me that this provides an opportunity to receive emails to the site email address and forward it as a post
Postie
RSS Feeds to Posts
then there is also the possibility of collecting RSS feeds, I believe I have a licence for an aggregator CyberSEO Pro https://www.cyberseo.net/cyberseo-plugin/
A lifetime license on CyberSEO Pro and I can renew or upgrade here https://www.cyberseo.net/upgrade/