So far:

• CovertAction Magazine: https://covertactionmagazine.com/feed/
• Geopolitical Economy Report: https://geopoliticaleconomy.com/feed/
• MintPress News: https://www.mintpressnews.com/feed/
• MR Online: https://mronline.org/feed/
• Peoples Democracy: https://peoplesdemocracy.in/rss.xml
• Red Sails: https://redsails.org/rss.xml

Some earlier discussion about this: https://lemmygrad.ml/post/1302467?scrollToComments=true

I hope this helps.