Here is a blog (although I don't think it's active anymore) which deals with early modern witchcraft: http://witchcrafthistory.blogspot.com/

This also: https://stephenrgordon.wordpress.com/

Witchraft in Poland! https://witchcraftinpoland.com/

This also deals with witchcraft sometimes, a part of a bigger academic project: https://innerlives.org/blog/

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And this is a great blogroll for probably the majority of early modern blogs on the internet at the moment! http://emc.historycarnival.org/blogs