Acquia ended support for the Lightning distribution on November 2, 2021, simultaneously with Drupal 8. Headless Lightning no longer receives any security updates or bug fixes. It is possible to safely uninstall Headless Lightning from your site; please see the official announcement, FAQ for site owners, and developer instructions for more information.
acquia/headless_lightning
A more opinionated flavor of Lightning for building decoupled applications. Support ended on November 2, 2021 and this project is no longer maintained.
PHPGPL-2.0