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https://github.com/sycamore-rs/sycamore

A library for creating reactive web apps in Rust and WebAssembly
https://github.com/sycamore-rs/sycamore

dom gui html reactive rust signals sycamore wasm web web-framework webassembly

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A library for creating reactive web apps in Rust and WebAssembly

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README 

        


  



  
Sycamore







[![Crates.io](https://img.shields.io/crates/v/sycamore)](https://crates.io/crates/sycamore)

[![docs.rs](https://img.shields.io/docsrs/sycamore?color=blue&label=docs.rs)](https://docs.rs/sycamore)

[![GitHub contributors](https://img.shields.io/github/contributors/sycamore-rs/sycamore)](https://github.com/sycamore-rs/sycamore/graphs/contributors)

[![Discord](https://img.shields.io/discord/820400041332179004?label=discord)](https://discord.gg/vDwFUmm6mU)






Sycamore is a _reactive_ library for creating web apps in **Rust** and **WebAssembly**.



```rust

#[component]

fn Hello() -> View {

    view! {

        p { "Hello World!" }

    }

}

```



- **Lightning Speed**: Sycamore harnesses the full power of [Rust](https://www.rust-lang.org/) via

  [WebAssembly](https://webassembly.org/), giving you full control over performance.

- **Ergonomic and Intuitive**: Write code that feels natural. Everything is built on

  [reactive primitives](https://sycamore-rs.netlify.app/docs/basics/reactivity) without a cumbersome

  virtual DOM.

- **No JavaScript**: Had enough of JavaScript? So have we. Create apps using Sycamore without

  touching a single line of JS.



## Documentation



Sycamore is extensively documented:



- [Getting Started](https://sycamore-rs.netlify.app/docs/getting_started/installation): How to write

  your first Sycamore app.

- [Reactivity](https://sycamore-rs.netlify.app/docs/basics/reactivity): Find out how to use

  Sycamore's powerful reactive primitives.

- [API Documentation](https://docs.rs/sycamore): rustdocs for the `sycamore` crate.



**Still have questions?** Don't hesitate to stop by our friendly

[Discord server](https://discord.gg/vDwFUmm6mU).



## Examples



Sycamore has many examples for your reference in the

[`examples/`](https://github.com/sycamore-rs/sycamore/tree/master/examples) directory. Be sure to

check them out!



### Viewing on `sycamore-rs.netlify.app`



All the examples are hosted under `sycamore-rs.netlify.app/examples/` with

`` being the name of the example you want to view. For instance, the `todomvc` example

is hosted on

[`sycamore-rs.netlify.app/examples/todomvc`](https://sycamore-rs.netlify.app/examples/todomvc).



### Building Locally



All the examples can also be built locally using [Trunk](https://trunkrs.dev). For instance, the

following command builds and serves the `todomvc` example:



```bash

cd examples/todomvc

trunk serve

```



Now open up `localhost:8080` in your browser to see "Hello World!".



## Perseus



[Perseus](https://github.com/arctic-hen7/perseus) is a fullstack framework built with Sycamore.

Think [NextJS](https://nextjs.org) or [SvelteKit](https://kit.svelte.dev) but with no JavaScript.

Everything from backend to frontend is built with pure Rust!



## Alternatives?



Don't think Sycamore is for you? Thankfully, there are plenty of alternatives!



- **[SolidJS](https://github.com/solidjs/solid): A declarative, efficient and flexible JavaScript

  library for building user interfaces** 
 Solid is a JavaScript library which greatly inspired

  Sycamore. Many concepts such as fine-grained reactivity and components as factory functions were

  borrowed from Solid. If you don't mind working with JavaScript (or TypeScript), go check it out!

- **[Yew](https://github.com/yewstack/yew): Rust / Wasm framework for building client web apps**

  
 Yew was also a big inspiration for Sycamore. Yew employs a VDOM and has a MVU (Elm)

  architecture. If you think that's for you, take a look!

- **[MoonZoon](https://github.com/MoonZoon/MoonZoon): Rust Fullstack Framework** 
 MoonZoon

  also champions the no VDOM paradigm and uses [dominator](https://github.com/Pauan/rust-dominator)

  as its underlying DOM layer. MoonZoon is a fullstack framework making it easier to combine

  frontend and backend code with minimal boilerplate.



## Contributing



- Report issues on our [issue tracker](https://github.com/sycamore-rs/sycamore/issues).

- We love Pull Requests! For more information, check out the

  [section on contributing](https://sycamore-rs.netlify.app/docs/contribute/architecture) in the

  docs.



Sycamore would not have been possible without the wonderful contributions from the community. Thank

you!





  




Special thanks to [@nate-sys](https://github.com/nate-sys) for designing the Sycamore logo!