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SolidJS

Reactive JavaScript framework with no virtual DOM

Overview

What SolidJS does

SolidJS is a declarative JavaScript framework whose syntax closely resembles React — JSX, components, hooks-like primitives — but whose runtime works differently. There is no virtual DOM and no re-rendering of components. Instead, fine-grained reactive primitives update exactly the DOM nodes that depend on changed state. The practical result is consistently strong performance benchmarks and small bundles. The cost is a smaller ecosystem, and a mental model that looks like React but is not: components run once, which catches React developers out repeatedly.

What people use it for

  • Interfaces where update performance is the binding constraint
  • Teams comfortable with React syntax who want finer-grained reactivity
  • Applications where bundle size directly affects the business

The honest half

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about SolidJS.

  • Much smaller ecosystem than React, so many problems have no off-the-shelf library
  • The React-like syntax is misleading: components run once, and React habits produce subtle bugs
  • Smaller hiring pool and fewer learning resources than the mainstream frameworks

Cross-shopped

What people choose instead of SolidJS

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

  • SolidJS logo
    SolidJS
    vs
    React logo
    React

    React: The mainstream choice with the far larger ecosystem, and the framework Solid is reacting against

  • SolidJS logo
    SolidJS
    vs
    Vue.js logo
    Vue.js

    Vue.js: Another reactive alternative to React, with a larger ecosystem than Solid

Pricing

What SolidJS costs

Taken from the vendor's own pricing page. Prices move, so check before you buy.

SolidJS

Free

  • Full library
  • Commercial use permitted
  • No usage limits

Capabilities

Features

  • No virtual DOM

    Reactive primitives update only the DOM nodes that depend on changed state

  • Components run once

    No re-render cycle, which removes a whole class of React performance work

  • JSX syntax

    Familiar to anyone coming from React

  • Small bundles

    Compiles away much of the framework at build time

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

Is SolidJS free?

Yes, open source under the MIT licence.

Is SolidJS just React without the virtual DOM?

The syntax is similar but the model is not. Solid components run once and reactivity is fine-grained, so patterns that are correct in React can be wrong in Solid.

Why is SolidJS fast?

It compiles away much of the framework and updates individual DOM nodes directly, rather than re-rendering components and diffing a virtual DOM.

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Softwr does not host reviews and shows no star rating for SolidJS, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

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