Aleph.js, a React framework for server-rendered applications in Deno, is now available through an alpha release. Aleph makes many of Next.js’ core features available in Deno environments: zero-config server-side rendering, static site generation, file-system and API routing, and more. Aleph uses the standard EcmaScript Modules (ESM) import syntax and does not use a bundler in development. Aleph also provides hot module replacement with React Fast Refresh. Aleph.js is heavily inspired by Next.js, the latter which self-describes as a React framework for production. Like Next.js, Aleph provides productivity features for a better developer experience. The current alpha version of Aleph provides a page-based routing system (with support for dynamic routes), API routes, route-based internationalization support, static site generation, pre-rendering by default (with configurable server-side rendering), client-side routing, CSS and Sass support, and React Fast Refresh support. Developers write a web application as a set of pages and APIs, with each page being implemented with a React component.