Markdoc is a powerful, flexible, Markdown-based authoring framework. From personal blogs to massive documentation sites, Markdoc is a content authoring system that grows with you.

Hybrids is a UI library for creating Web Components, which favors plain objects and pure functions over class and this syntax. It provides simple and functional API for creating custom elements.

Adam Lynch explains in this post how he lays out data-heavy tables, how he supports resizing of columns, and more.