Froala Design Blocks - 170+ free responsive design blocks based on Bootstrap 4
Autocode - Build app-to-app API workflows with automatic codegen
Webflow Flexbox UI Builder - Build flexible, responsive layouts — without writing code
GPT-3 Tailwind CSS - OpenAI GPT-3 + Tailwind CSS code generator
Antetype - Antetype - Layout aware User Interface Design - responsive and future proof.
GraphQL Zeus - GraphQL client/code generator with autocomplete library ⚡