Supported Frameworks

This list is not officially maintained; information here is contributed by the library maintainers themselves. Consult their GitHub page for details on issues and implementation. Lastly, some of those libraries might stop being updated without further notice, while others warn it in their pages. In the latter scenario, they're tagged as deprecated below.
React
A powerful internationalization framework for React / React Native which is based on i18next.
Next.js
An easy to use integration for Next.js to enable i18next translations on your application with support for SSR, SSG and Client translation loading.
Next.js
Flexible production-grade boilerplate with Next.js 9 and Zeit Now, with pre-configured Sentry, cookies, Amplitude, Emotion, FontAwesome, GraphQL/GraphCMS (Apollo), Bootstrap (Reactstrap), i18next (Locize), Jest, Cypress (E2E tests) and CI/CD (GH Actions), with full TypeScript support and support for B2B multi-tenants web apps (monorepo)
Node/Deno HTTP server
Middleware to be used with Node.js web frameworks like Express or Fastify, and also for Deno.
Express
(deprecated) Middleware for the Express HTTP server/framework (Node)
Metalsmith
(deprecated) Metalsmith plugin to easily create multiple localised branches of your site
.NET
Library based on .NET Standard 2.0 with a rich feature-set like the original i18next, supporting .NET DI and translations; also comes with plugin support
PHP
(deprecated) Class for basic i18next functionality (2016). There's also a fork by Mika- (2017)
Rails
(deprecated) Asset pipeline localization using i18next for rails 3.2 & 4
Dart
An adaptation of i18next standard for Dart with support for Flutter localization techniques.
Astro
An astro integration of i18next + some utility components to help you translate your astro websites!
Supported Environments
i18next supports the two most recent versions of evergreen browsers (Chrome, Firefox, Safari, etc). It also runs in Node and Deno.
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