What are some sites with lists of affiliate networks?

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I have some specific things I want to deal with when it comes to affiliate marketing so I am curious in asking all of you, what are a few sites that list numerous amounts of affiliate networks? Such as if I went to the given page I could search categories and find a list of affiliate networks perhaps providing specific offers or allowing specific types of marketing. I hope this makes sense! I am sure at least one of you can help me,