Langcss is an early access product that facilitates design brainstorming through chat. It can generate beautiful design elements such as forms, buttons, and landing pages. These elements are displayed in real-time as you design. Users can edit HTML within the chat, utilize high-quality components like Tailwindui, shadcn, flowbite, and daisyui, and also support SVG design. The product features the Monaco code editor with functionalities like undo, redo, and save. Furthermore, AI streams outputs continuously. Langcss supports OpenAI and plans to integrate other AI engines in the future. Users can join the waitlist for free to gain access to the beta version.