Eleventy Notes is a highly opinionated static site generator template built on top of Eleventy (11ty). It is designed for publishing personal notes, documentation, wikis, or blogs with a focus on rich interlinking, client-side search, and customization. The system is a static site generator that processes Markdown files into a fully featured website. It includes a modular architecture with core infrastructure (layout, header, sidebar), and modules for wikilinks, callouts (admonitions), tags, custom properties, dynamic content queries, table of contents, search (using Pagefind), bookmarks, theming, translations, and page navigation. The build process uses Parcel for CSS/JS bundling and Eleventy for HTML generation. The application is designed to be configured via a single JavaScript file (`app.mjs`) and a SCSS file (`app.scss`). The code is well-structured, uses ES modules, and demonstrates advanced patterns such as custom markdown-it plugins, a generic query engine, and a tree generator. It is a template intended for end users to fork and customize, but the underlying codebase itself exhibits high craftsmanship and could serve as a reference for building Eleventy-based projects.