The best alternatives to PrelaunchPage are Carrd, Landly, and AreYouInterested. If these 3 options don't work for you, we've listed a few more alternatives below.
💡 Finding the right idea is hard. 💡 - Making a separate site and landing page to validate each idea you have takes too much time. That's why we created AreYouInterested. - Create a landing page optimized for idea validation in under a minute.
Contrast Design Bootstrap React is an elegant react reusable component library featuring a huge set of components, which can be integrated with any react project to build mobile first, responsive and elegant websites and web apps.
Laasy is a free tool to build landing pages and get emails with Mailchimp or Sendinblue integrations. It has an intuitive interface and is designed to make things easier. Create an account and build as many pages as you want !