Yes, both Squarespace and Tagembed offer a Free Trial.
Squarespace is designed for Medium Business and Small Business.
Tagembed is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Squarespace Starts at $12/Month when Billed Yearly whereas for Tagembed Starts at $9/Month when Billed Yearly.
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.
Some top alternatives to Tagembed includes Twitter Analytics, Social Opinion, TrueSocialMetrics, Planable, Elementary Analytics, Analyser PRO, Aggreto, Juicer, CloudSocial, SocialBee, SocialGest and GetSocial.