@TheAbbotTrithemius Not specific to the dark web, but I've been really impressed in the few months I've been using Optery to remove my data from various data brokers.
CounterSocial is the first Social Network Platform to take a zero-tolerance stance to hostile nations, bot accounts and trolls who are weaponizing OUR social media platforms and freedoms to engage in influence operations against us. And we're here to counter it.
@TheAbbotTrithemius DeleteMe is another one that I've seen highly recommended:
https://joindeleteme.com/
I went with Optery just because it seems to have the most coverage, even if it is a little more expensive.