SignupGate

SignupGate screens sign-ups to prevent chargebacks, fake accounts and exploitative usage of SaaS products, newsletters and other online services.^{Source [3]}

It is sold alongside FeedHive, Aidbase and LinkDrip, including through the FounderStack lifetime deal.^{Source [4]Source [2]}

Simon Høiberg launched SignupGate in September 2025 as the fourth product in his SaaS portfolio. It was added to the FounderStack lifetime bundle and is listed as active on his products page.^{Source [1]Source [4]Source [5]}