Yes, both CollabKit and Commenze offer a Free Trial.
CollabKit is designed for Large Enterprises, Medium Business and Small Business.
Commenze is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for CollabKit Starts at $250/Month whereas for Commenze Starts at $12.99/Month.
Some top alternatives to CollabKit includes CollaborateCloud, Coment, Microsoft Power BI, Commenty, Collab Spot, CommentGuard, Cusdis, CommentScreen and Commenze.
Some top alternatives to Commenze includes Qualified, Webflow Comments Section App, Workvivo, QReviews, CommentGuard, Cusdis, Stream Follows, Sociohub, React & Share, CommentScreen and IFTTT.