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Webiny is an open-source, self-hosted content platform and headless CMS that runs serverlessly inside the user's AWS account. Its TypeScript framework provides a GraphQL API, custom content models, field-level permissions, localization, versioning, lifecycle hooks, dependency injection, admin UI and infrastructure extension points, and supports AI-assisted development through an MCP server. The platform includes a visual website builder with a Next.js SDK, a file manager for digital assets, publishing workflows with drafts, reviewers, scheduled publishing and audit trails, and native multi-tenancy with isolated data, users, assets and permissions. It runs on AWS Lambda, DynamoDB, S3 and CloudFront, with infrastructure provisioned through Pulumi; optional OpenSearch and VPC configurations are also supported. Webiny is extended through code and can be deployed using open-source infrastructure templates rather than managed servers.

Next.js is an open-source React framework developed by Vercel for building full-stack web applications. It extends React with server rendering, static-site generation, hybrid rendering, components, and routing, and integrates Rust-based JavaScript tooling for builds. The project provides documentation, a learning course, a showcase, community discussions, and contribution guidelines.

NotionNext is an open-source website system built with Next.js and the Notion API. It uses a Notion workspace as the source for articles, categories, tags, menus, and pages, then publishes that content as blogs, portfolios, knowledge bases, navigation sites, product websites, and other searchable sites. The repository supports theme-based customization and deployment on platforms such as Vercel without a self-hosted server, with features including custom domains, SEO, sitemaps, RSS, comments, analytics, search, advertising, and email subscriptions. It is maintained by the notionnext-org GitHub organization and is released under the MIT License.

Nimbus is an open-source documentation-site scaffolder by Cloudflare that builds Astro sites directly in a repository. It writes layouts, components, styles, routes, content collections, and theme tokens as editable source files, while its plumbing is provided through npm packages. The generated sites include agent-readable Markdown and MDX page twins, llms.txt and llms-full.txt files, JSON-LD, sitemaps, robots.txt, per-page Open Graph images, full-text search, theming, accessible navigation, and optional versioned documentation. Nimbus also provides a registry for adding editable components, utilities, and agent-handoff recipes to an existing project. Sites produce static output for deployment anywhere, with Cloudflare as a first-class target, and include prose, structure, MDX, and configuration validation. The project is built on Astro, Sätteri, Tailwind, and optionally React; its README describes it as work in progress and pre-1.0.

Sandpack is a React component toolkit for embedding live-running code editing and preview experiences in web applications. It runs JavaScript and Node.js applications in the browser and can be used for interactive documentation, coding environments, low-code tools, generated website previews, and embedded playgrounds. Sandpack provides templates containing project files and dependencies, custom setup for changing dependencies or file structure, configurable built-in components, themes, and composable components and hooks for custom interfaces. It uses CodeMirror for editor functionality, supports npm dependencies, hot module reloading, error overlays, caching, and Node.js execution through its Nodebox runtime. The Sandpack Client package exposes a framework-agnostic bundler protocol, and the toolkit supports frameworks including Next.js, Remix, Vite, and Astro.