EmDash rebuilds the WordPress publishing experience as an open-source CMS, with drafts, revisions, scheduled posts, a media library, menus, widgets, and plugins that run in sandboxes and can only do what they declare. Writers get a rich-text editor with featured images, slugs, bylines, categories, and tags, plus signed preview links for unpublished work and a calendar of everything published or scheduled. Site builders define their own content types in a visual schema builder, choosing required and searchable fields, URL patterns, comments, SEO metadata, and edit locking so two people never overwrite each other. Uploads are drag and drop, with folders and filename search in the media library. Menus, sidebar widgets, reusable sections, and redirects with a 404 log shape the public site. Access is passkey-first, with OAuth and magic-link fallbacks, four roles from Contributor to Administrator, comment moderation, and personal API tokens. Coming from WordPress? Point the importer at a migration key, a site URL, or an exported XML file and it carries over posts, pages, media, and taxonomies. Plugins add hooks, settings, admin pages, dashboard widgets, custom blocks, and API routes after declaring capabilities such as content:read or email:send, while a built-in MCP server and CLI let AI assistants manage content directly. Blog, marketing, and portfolio templates give new sites a head start. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. MIT licensed.