Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Glass UI Generator - CSS generator for glassmorphism
Dashboard UI Kit - A modern & responsive dashboard UI kit for designers.
Neumorphism UI - Neumorphism inspired UI web components, sections and pages
Landing UI Kit - Handcrafted UI components for landing pages
Clippy - CSS Clip-path Maker - Drag and points to generate clip-path CSS