John Gallie·15wTweakCN: Ultimate Visual Theme Editor for shadcn/ui (2026)
TweakCN is a visual theme editor for shadcn/ui that offers real-time customization with Tailwind CSS v4 support. It features AI-powered theme generation from text or image prompts, preset themes, accessibility contrast checking, typography controls, and direct code export. The open-source tool has gained significant traction with over 20,000 GitHub stars.