Yes, both WordPress and ProveSource offer a Free Trial.
WordPress is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
ProveSource is designed for Large Enterprises, Medium Business and Small Business.
Pricing for WordPress Starts at $4/Month when Billed Yearly whereas for ProveSource Starts at $18/Month when Billed Yearly.
Some top alternatives to WordPress includes Unbounce, VWO Deploy, SITE123, Wix, Squarespace, Webflow, Builder, WebsiteBuilder, Format, WeWeb, Shopify, Drupal, Concrete5, WebBoss and Web.com.
Some top alternatives to ProveSource includes Fomo, Proof, JustProof, Conversion Plus, Super Social Proof, Sooproof, Social Proofy, Trustpulse, Proofly and Prooven.io.