Lit

https://lit.dev/

Servers

NodeJS \w LiveReload

  $ npm install -g @web/dev-server  # install dependency
  $ web-dev-server --watch --open

Python 2.x

  $ python -m SimpleHTTPServer 8000

Python 3.x

  $ python3 -m http.server 8000

PHP 5.4+

  $ php -S 127.0.0.1:8000

Ruby 1.9.2+

  $ ruby -run -ehttpd . -p8000

NodeJS

  $ npm install -g http-server # install dependency
  $ http-server -p 8000

Other starter kits

https://webcomponents.dev/new/