Yes, both Fomo and Squarespace offer a Free Trial.
Fomo is designed for Large Enterprises, Medium Business and Small Business.
Squarespace is designed for Medium Business and Small Business.
Pricing for Fomo Starts at $19/Month whereas for Squarespace Starts at $12/Month when Billed Yearly.
Some top alternatives to Fomo includes Proof, RocketProof, Fizfy, JustProof, Social Oracle, Super Social Proof, Sooproof, Social Proofy, Proofly and SocialProofed.
Some top alternatives to Squarespace includes Unbounce, VWO Deploy, WordPress, SITE123, Wix, Webflow, Envato Sites, WebsiteBuilder, Bookmark Website Builder, Format, Website.com, SiteBuilder.com, Square Ecommerce, GoDaddy Website Builder and Web.com.