The best alternatives to ShareBoost are Carrd, Waitlist API, and CARGO. If these 3 options don't work for you, we've listed a few more alternatives below.
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Guidde— Magically create free video documentation with AI
The Waitlist API is an easy, lightweight, and free tool to quickly set up a waitlist on your next project. With built-in referrals, it makes it easy to scale, and have a successful launch through user-generated...