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Fitz LiveViews offers real-time server-rendered UI without JavaScript build tools

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Fitz LiveViews is a new real-time UI framework built for Fitz, a compiled, gradually-typed programming language that treats HTTP, WebSockets, and database access as core language features. Developers write single-file components with a .fitzv extension, and the server handles rendering, diffing, and patching the browser via WebSocket — eliminating the need for a JavaScript build pipeline or client-side framework. The framework draws inspiration from Phoenix LiveView in Elixir but adds the ability to compile the same component to WebAssembly for offline, client-side use with no server round-trips. A built-in UI component library, type-checked templates, and a flagship admin application with Postgres and Docker support are already available. The project is open source, with code hosted on GitHub and documentation published at the developer's GitHub Pages site.

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