Caldera Forms vs. Knack

Caldera Forms is a free and powerful WordPress plugin that creates responsive forms with a simple drag and drop editor. Caldera Forms’ visual editor simplifies form building for WordPress. Set up your form with multiple columns, add additional pages, and funnel user responses with conditional logic to get more robust data and relevant information from your customers and site visitors. Anti-spam, AJAX, notification emails, and database entry tracking are enabled by default.

Knack is an AI-powered no-code platform for building custom, database-driven applications, internal tools, and portals. Businesses use Knack to create systems that manage data, automate workflows, and support day-to-day operations, all in one place. The platform combines a built-in relational database, AI app builder, customizable forms, and workflow automation. Users can define their data model, create user roles, and control access with granular permissions. Applications can be deployed as internal tools or external portals, and embedded into existing websites.