We need a good solution for network marketing

i need a good solution for [login to view URL] self-developed or with existing tools on the market. we are into several multilevel marketing businesses. and want to help our clients/ downline to promote the products more easily. thus we want to have for each MLM Business a landingpage which we will create. our clients can buy access to this online. and getting access to backend. This shall include: - cusomized link with their affiliate link to the MLM - landing page design shall be the same for all - able to opt in on the landingpage, but with a tag of the affiliate, so we can separate the leads for all marketers. - people sha have access to see their leads and conversion stats. only of those which came from their affiliate link. note: we do not have a business which we want to promote via MLM but simply participate in several businesses as a marketer and want to boost our upline.