We love open source software, and use the following on docs.newrelic.com. Thank you, open source community, for making these fine tools! Some of these are listed under multiple software licenses, and in that case we have listed the license we've chosen to use.
Drupal and all modules contributed to Drupal are licensed under the GNU GPL v2 or higher.
The following list includes third party libraries and modules downloaded from third party sites that may not fall under the Drupal licensing model.