There should be another row that which of these can be included as a standalone javascript lib in html instead of requiring NPM.
We can't really put all of the different ways to use Lit on the front page, but we document how to use Lit from a CDN right on the getting started page: https://lit.dev/docs/getting-started/#use-bundles
Core - https://cdn.jsdelivr.net/gh/lit/dist@2/core/lit-core.min.js
All - https://cdn.jsdelivr.net/gh/lit/dist@2/all/lit-all.min.js