Carrd - Simple, free, fully responsive one-page sites for pretty much anything
Nice builder if you want a one-page site without coding, Basic page is free. Conncet a domain name with the Pro account for $19/yr.
Google Sites
For a code-free builder, it's not the worst. You can set up a domain name(or subdomain) that you own to go to a Google Site at no additional cost, so if you do that, you'll never be stuck with a hosting platform.
Neocities
Create and surf awesome websites for free.