# SolidJS Documentation > Solid is a JavaScript library built around signals. It prioritizes a simple and predictable development experience, making it a great choice for developers of all skill levels. These are the documention for the main official projects. > - SolidJS: The core library for building reactive user interfaces. > - SolidStart: A full-stack framework for building web applications. > - Solid Router: A routing library for building web applications. > - Solid Meta: A library for managing the HTML head and meta tags. ## SolidJS - [Overview](https://docs.solidjs.com/) - [Quick start](https://docs.solidjs.com/quick-start) - [Intro to reactivity](https://docs.solidjs.com/concepts/intro-to-reactivity) - [Understanding JSX](https://docs.solidjs.com/concepts/understanding-jsx) - [Basics](https://docs.solidjs.com/concepts/components/basics) - [Class and style](https://docs.solidjs.com/concepts/components/class-style) - [Event handlers](https://docs.solidjs.com/concepts/components/event-handlers) - [Props](https://docs.solidjs.com/concepts/components/props) - [Signals](https://docs.solidjs.com/concepts/signals) - [Conditional rendering](https://docs.solidjs.com/concepts/control-flow/conditional-rendering) - [Dynamic](https://docs.solidjs.com/concepts/control-flow/dynamic) - [List rendering](https://docs.solidjs.com/concepts/control-flow/list-rendering) - [Portal](https://docs.solidjs.com/concepts/control-flow/portal) - [Error boundary](https://docs.solidjs.com/concepts/control-flow/error-boundary) - [Effects](https://docs.solidjs.com/concepts/effects) - [Derived signals](https://docs.solidjs.com/concepts/derived-values/derived-signals) - [Memos](https://docs.solidjs.com/concepts/derived-values/memos) - [Context](https://docs.solidjs.com/concepts/context) - [Stores](https://docs.solidjs.com/concepts/stores) - [Refs](https://docs.solidjs.com/concepts/refs) - [Fine-grained reactivity](https://docs.solidjs.com/advanced-concepts/fine-grained-reactivity) - [Styling your components](https://docs.solidjs.com/guides/styling-your-components) - [SASS](https://docs.solidjs.com/guides/styling-components/sass) - [LESS](https://docs.solidjs.com/guides/styling-components/less) - [CSS modules](https://docs.solidjs.com/guides/styling-components/css-modules) - [Macaron](https://docs.solidjs.com/guides/styling-components/macaron) - [Tailwind CSS](https://docs.solidjs.com/guides/styling-components/tailwind) - [UnoCSS](https://docs.solidjs.com/guides/styling-components/uno) - [State management](https://docs.solidjs.com/guides/state-management) - [Routing & navigation](https://docs.solidjs.com/guides/routing-and-navigation) - [Complex state management](https://docs.solidjs.com/guides/complex-state-management) - [Fetching data](https://docs.solidjs.com/guides/fetching-data) - [Testing](https://docs.solidjs.com/guides/testing) - [Deploy your app](https://docs.solidjs.com/guides/deploying-your-app) - [AWS via Flightcontrol](https://docs.solidjs.com/guides/deployment-options/aws-via-flightcontrol) - [AWS via SST](https://docs.solidjs.com/guides/deployment-options/aws-via-sst) - [Cloudflare](https://docs.solidjs.com/guides/deployment-options/cloudflare) - [Firebase](https://docs.solidjs.com/guides/deployment-options/firebase) - [Netlify](https://docs.solidjs.com/guides/deployment-options/netlify) - [Railway](https://docs.solidjs.com/guides/deployment-options/railway) - [Vercel](https://docs.solidjs.com/guides/deployment-options/vercel) - [Stormkit](https://docs.solidjs.com/guides/deployment-options/stormkit) - [Zerops](https://docs.solidjs.com/guides/deployment-options/zerops) - [Environment variables](https://docs.solidjs.com/configuration/environment-variables) - [TypeScript](https://docs.solidjs.com/configuration/typescript) - [createEffect](https://docs.solidjs.com/reference/basic-reactivity/create-effect) - [createMemo](https://docs.solidjs.com/reference/basic-reactivity/create-memo) - [createResource](https://docs.solidjs.com/reference/basic-reactivity/create-resource) - [createSignal](https://docs.solidjs.com/reference/basic-reactivity/create-signal) - [children](https://docs.solidjs.com/reference/component-apis/children) - [createContext](https://docs.solidjs.com/reference/component-apis/create-context) - [createUniqueId](https://docs.solidjs.com/reference/component-apis/create-unique-id) - [lazy](https://docs.solidjs.com/reference/component-apis/lazy) - [useContext](https://docs.solidjs.com/reference/component-apis/use-context) - [](https://docs.solidjs.com/reference/components/dynamic) - [](https://docs.solidjs.com/reference/components/error-boundary) - [](https://docs.solidjs.com/reference/components/for) - [](https://docs.solidjs.com/reference/components/index-component) - [](https://docs.solidjs.com/reference/components/no-hydration) - [](https://docs.solidjs.com/reference/components/portal) - [](https://docs.solidjs.com/reference/components/show) - [](https://docs.solidjs.com/reference/components/suspense) - [](https://docs.solidjs.com/reference/components/suspense-list) - [ / ](https://docs.solidjs.com/reference/components/switch-and-match) - [@once](https://docs.solidjs.com/reference/jsx-attributes/once) - [attr:*](https://docs.solidjs.com/reference/jsx-attributes/attr) - [bool:*](https://docs.solidjs.com/reference/jsx-attributes/bool) - [classList](https://docs.solidjs.com/reference/jsx-attributes/classlist) - [innerHTML](https://docs.solidjs.com/reference/jsx-attributes/innerhtml) - [on:*](https://docs.solidjs.com/reference/jsx-attributes/on) - [on*](https://docs.solidjs.com/reference/jsx-attributes/on_) - [prop:*](https://docs.solidjs.com/reference/jsx-attributes/prop) - [ref](https://docs.solidjs.com/reference/jsx-attributes/ref) - [style](https://docs.solidjs.com/reference/jsx-attributes/style) - [textContent](https://docs.solidjs.com/reference/jsx-attributes/textcontent) - [use:*](https://docs.solidjs.com/reference/jsx-attributes/use) - [onCleanup](https://docs.solidjs.com/reference/lifecycle/on-cleanup) - [onMount](https://docs.solidjs.com/reference/lifecycle/on-mount) - [batch](https://docs.solidjs.com/reference/reactive-utilities/batch) - [catchError](https://docs.solidjs.com/reference/reactive-utilities/catch-error) - [createRoot](https://docs.solidjs.com/reference/reactive-utilities/create-root) - [from](https://docs.solidjs.com/reference/reactive-utilities/from) - [getOwner](https://docs.solidjs.com/reference/reactive-utilities/get-owner) - [indexArray](https://docs.solidjs.com/reference/reactive-utilities/index-array) - [mapArray](https://docs.solidjs.com/reference/reactive-utilities/map-array) - [mergeProps](https://docs.solidjs.com/reference/reactive-utilities/merge-props) - [observable](https://docs.solidjs.com/reference/reactive-utilities/observable) - [on](https://docs.solidjs.com/reference/reactive-utilities/on-util) - [runWithOwner](https://docs.solidjs.com/reference/reactive-utilities/run-with-owner) - [splitProps](https://docs.solidjs.com/reference/reactive-utilities/split-props) - [startTransition](https://docs.solidjs.com/reference/reactive-utilities/start-transition) - [untrack](https://docs.solidjs.com/reference/reactive-utilities/untrack) - [useTransition](https://docs.solidjs.com/reference/reactive-utilities/use-transition) - [DEV](https://docs.solidjs.com/reference/rendering/dev) - [hydrate](https://docs.solidjs.com/reference/rendering/hydrate) - [hydrationScript](https://docs.solidjs.com/reference/rendering/hydration-script) - [isServer](https://docs.solidjs.com/reference/rendering/is-server) - [render](https://docs.solidjs.com/reference/rendering/render) - [renderToStream](https://docs.solidjs.com/reference/rendering/render-to-stream) - [renderToString](https://docs.solidjs.com/reference/rendering/render-to-string) - [renderToStringAsync](https://docs.solidjs.com/reference/rendering/render-to-string-async) - [createComputed](https://docs.solidjs.com/reference/secondary-primitives/create-computed) - [createDeferred](https://docs.solidjs.com/reference/secondary-primitives/create-deferred) - [createReaction](https://docs.solidjs.com/reference/secondary-primitives/create-reaction) - [createRenderEffect](https://docs.solidjs.com/reference/secondary-primitives/create-render-effect) - [createSelector](https://docs.solidjs.com/reference/secondary-primitives/create-selector) - [createMutable](https://docs.solidjs.com/reference/store-utilities/create-mutable) - [createStore](https://docs.solidjs.com/reference/store-utilities/create-store) - [modifyMutable](https://docs.solidjs.com/reference/store-utilities/modify-mutable) - [produce](https://docs.solidjs.com/reference/store-utilities/produce) - [reconcile](https://docs.solidjs.com/reference/store-utilities/reconcile) - [unwrap](https://docs.solidjs.com/reference/store-utilities/unwrap) - [getRequestEvent](https://docs.solidjs.com/reference/server-utilities/get-request-event) ## SolidStart - [Overview](https://docs.solidjs.com/solid-start/) - [Getting started](https://docs.solidjs.com/solid-start/getting-started) - [Migrating from v1](https://docs.solidjs.com/solid-start/migrating-from-v1) - [Routing](https://docs.solidjs.com/solid-start/building-your-application/routing) - [API routes](https://docs.solidjs.com/solid-start/building-your-application/api-routes) - [CSS and styling](https://docs.solidjs.com/solid-start/building-your-application/css-and-styling) - [Data fetching](https://docs.solidjs.com/solid-start/building-your-application/data-fetching) - [Data mutation](https://docs.solidjs.com/solid-start/building-your-application/data-mutation) - [Head and metadata](https://docs.solidjs.com/solid-start/building-your-application/head-and-metadata) - [Route Pre-rendering](https://docs.solidjs.com/solid-start/building-your-application/route-prerendering) - [Static assets](https://docs.solidjs.com/solid-start/building-your-application/static-assets) - [Middleware](https://docs.solidjs.com/solid-start/advanced/middleware) - [Sessions](https://docs.solidjs.com/solid-start/advanced/session) - [Request events](https://docs.solidjs.com/solid-start/advanced/request-events) - [Returning responses](https://docs.solidjs.com/solid-start/advanced/return-responses) - [Serialization](https://docs.solidjs.com/solid-start/advanced/serialization) - [Auth](https://docs.solidjs.com/solid-start/advanced/auth) - [WebSocket endpoint](https://docs.solidjs.com/solid-start/advanced/websocket) - [Security](https://docs.solidjs.com/solid-start/guides/security) - [Data fetching](https://docs.solidjs.com/solid-start/guides/data-fetching) - [Data mutation](https://docs.solidjs.com/solid-start/guides/data-mutation) - [Service workers](https://docs.solidjs.com/solid-start/guides/service-workers) - [app.config.ts](https://docs.solidjs.com/solid-start/reference/entrypoints/app-config) - [app.tsx](https://docs.solidjs.com/solid-start/reference/entrypoints/app) - [entry-client.tsx](https://docs.solidjs.com/solid-start/reference/entrypoints/entry-client) - [entry-server.tsx](https://docs.solidjs.com/solid-start/reference/entrypoints/entry-server) - [defineConfig](https://docs.solidjs.com/solid-start/reference/config/define-config) - [FileRoutes](https://docs.solidjs.com/solid-start/reference/routing/file-routes) - [clientOnly](https://docs.solidjs.com/solid-start/reference/client/client-only) - [mount](https://docs.solidjs.com/solid-start/reference/client/mount) - [StartClient](https://docs.solidjs.com/solid-start/reference/client/start-client) - ["use server"](https://docs.solidjs.com/solid-start/reference/server/use-server) - [createHandler](https://docs.solidjs.com/solid-start/reference/server/create-handler) - [createMiddleware](https://docs.solidjs.com/solid-start/reference/server/create-middleware) - [GET](https://docs.solidjs.com/solid-start/reference/server/get) - [getServerFunctionMeta](https://docs.solidjs.com/solid-start/reference/server/get-server-function-meta) - [HttpHeader](https://docs.solidjs.com/solid-start/reference/server/http-header) - [HttpStatusCode](https://docs.solidjs.com/solid-start/reference/server/http-status-code) - [StartServer](https://docs.solidjs.com/solid-start/reference/server/start-server) ## Solid Router - [Overview](https://docs.solidjs.com/solid-router/) - [Installation and setup](https://docs.solidjs.com/solid-router/getting-started/installation-and-setup) - [Component routing](https://docs.solidjs.com/solid-router/getting-started/component) - [Config-based routing](https://docs.solidjs.com/solid-router/getting-started/config) - [Navigation](https://docs.solidjs.com/solid-router/concepts/navigation) - [Path parameters](https://docs.solidjs.com/solid-router/concepts/path-parameters) - [Search parameters](https://docs.solidjs.com/solid-router/concepts/search-parameters) - [Catch-all routes](https://docs.solidjs.com/solid-router/concepts/catch-all) - [Nesting routes](https://docs.solidjs.com/solid-router/concepts/nesting) - [Layouts](https://docs.solidjs.com/solid-router/concepts/layouts) - [Alternative routers](https://docs.solidjs.com/solid-router/concepts/alternative-routers) - [Actions](https://docs.solidjs.com/solid-router/concepts/actions) - [Single page applications](https://docs.solidjs.com/solid-router/rendering-modes/spa) - [Server side rendering](https://docs.solidjs.com/solid-router/rendering-modes/ssr) - [Queries](https://docs.solidjs.com/solid-router/data-fetching/queries) - [Streaming](https://docs.solidjs.com/solid-router/data-fetching/streaming) - [Revalidation](https://docs.solidjs.com/solid-router/data-fetching/revalidation) - [Preload data](https://docs.solidjs.com/solid-router/data-fetching/how-to/preload-data) - [Handle pending and error states](https://docs.solidjs.com/solid-router/data-fetching/how-to/handle-error-and-loading-states) - [Preloading](https://docs.solidjs.com/solid-router/advanced-concepts/preloading) - [Lazy loading](https://docs.solidjs.com/solid-router/advanced-concepts/lazy-loading) - [Migration from v0.9.x](https://docs.solidjs.com/solid-router/guides/migration) - [A](https://docs.solidjs.com/solid-router/reference/components/a) - [HashRouter](https://docs.solidjs.com/solid-router/reference/components/hash-router) - [MemoryRouter](https://docs.solidjs.com/solid-router/reference/components/memory-router) - [Navigate](https://docs.solidjs.com/solid-router/reference/components/navigate) - [Route](https://docs.solidjs.com/solid-router/reference/components/route) - [Router](https://docs.solidjs.com/solid-router/reference/components/router) - [action](https://docs.solidjs.com/solid-router/reference/data-apis/action) - [cache](https://docs.solidjs.com/solid-router/reference/data-apis/cache) - [createAsync](https://docs.solidjs.com/solid-router/reference/data-apis/create-async) - [createAsyncStore](https://docs.solidjs.com/solid-router/reference/data-apis/create-async-store) - [query](https://docs.solidjs.com/solid-router/reference/data-apis/query) - [revalidate](https://docs.solidjs.com/solid-router/reference/data-apis/revalidate) - [useAction](https://docs.solidjs.com/solid-router/reference/data-apis/use-action) - [useSubmission](https://docs.solidjs.com/solid-router/reference/data-apis/use-submission) - [useSubmissions](https://docs.solidjs.com/solid-router/reference/data-apis/use-submissions) - [preload](https://docs.solidjs.com/solid-router/reference/preload-functions/preload) - [useBeforeLeave](https://docs.solidjs.com/solid-router/reference/primitives/use-before-leave) - [useCurrentMatches](https://docs.solidjs.com/solid-router/reference/primitives/use-current-matches) - [useIsRouting](https://docs.solidjs.com/solid-router/reference/primitives/use-is-routing) - [useLocation](https://docs.solidjs.com/solid-router/reference/primitives/use-location) - [useMatch](https://docs.solidjs.com/solid-router/reference/primitives/use-match) - [useNavigate](https://docs.solidjs.com/solid-router/reference/primitives/use-navigate) - [useParams](https://docs.solidjs.com/solid-router/reference/primitives/use-params) - [usePreloadRoute](https://docs.solidjs.com/solid-router/reference/primitives/use-preload-route) - [useSearchParams](https://docs.solidjs.com/solid-router/reference/primitives/use-search-params) - [json](https://docs.solidjs.com/solid-router/reference/response-helpers/json) - [redirect](https://docs.solidjs.com/solid-router/reference/response-helpers/redirect) - [reload](https://docs.solidjs.com/solid-router/reference/response-helpers/reload) ## Solid Meta - [Overview](https://docs.solidjs.com/solid-meta/) - [Install and configure](https://docs.solidjs.com/solid-meta/getting-started/installation-and-setup) - [Client setup](https://docs.solidjs.com/solid-meta/getting-started/client-setup) - [Server setup](https://docs.solidjs.com/solid-meta/getting-started/server-setup) - [Base](https://docs.solidjs.com/solid-meta/reference/meta/base) - [Link](https://docs.solidjs.com/solid-meta/reference/meta/link) - [Meta](https://docs.solidjs.com/solid-meta/reference/meta/meta) - [MetaProvider](https://docs.solidjs.com/solid-meta/reference/meta/metaprovider) - [Style](https://docs.solidjs.com/solid-meta/reference/meta/style) - [Title](https://docs.solidjs.com/solid-meta/reference/meta/title) - [useHead](https://docs.solidjs.com/solid-meta/reference/meta/use-head)