A full-stack, isomorphic Rust web framework for building fast, declarative user interfaces with fine-grained reactivity.
Leptos is a full-stack, isomorphic Rust web framework designed for building fast, declarative user interfaces. It uses fine-grained reactivity to update the DOM efficiently without virtual DOM overhead, and supports multiple rendering modes including client-side rendering, server-side rendering, and hydration. The framework integrates seamlessly with server functions, allowing developers to write backend logic that can be called directly from the frontend.
Rust developers building modern web applications who want performance, type safety, and full-stack capabilities without leaving the Rust ecosystem. It's ideal for teams prioritizing server-side rendering, streaming, and isomorphic architecture.
Leptos offers superior performance through fine-grained reactivity, eliminating virtual DOM overhead while providing a seamless full-stack experience with server functions and multiple rendering modes. Its Rust-based approach ensures memory safety, excellent tooling, and a growing ecosystem.
Build fast web applications with Rust.
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Updates the DOM efficiently without virtual DOM overhead, changing only necessary parts when signals update, which leads to superior performance as highlighted in the README's comparison with Yew.
Supports client-side rendering, server-side rendering, hydration, and HTTP streaming of data and HTML, enabling seamless development across server and client with minimal boilerplate.
Allows writing isomorphic functions that run on the server but can be called transparently from the client, reducing API complexity and improving developer ergonomics.
Built on web fundamentals like links and forms, with a router designed for both server and client, adhering to modern web practices without reinventing the wheel.
Requires proficiency in Rust and its toolchain, which has a steeper learning curve and setup process compared to JavaScript frameworks, as noted in the need for cargo-leptos and manual WASM configuration.
As a newer framework, Leptos has a smaller library and component ecosystem than established alternatives, potentially requiring more custom development or community contributions.
For WASM targets, dependencies like rand and getrandom need manual JavaScript backend configuration, adding setup complexity that can trip up newcomers.