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Apple won’t be forced to open up iMessage by EU
(www.theverge.com)
This is a most excellent place for technology news and articles.
I think Baidu, Qwant, Mojeek & Brave all use fully independent indices, but there are likely more. This is excliding eg. Kagi who use a combination of their own and other indices.
I actually thought Brave still used Bing, but Mojeek was what I was trying to think of. I'm sure there are a ton more, but those 4 seem like the biggest players most metasearch engines like to use.