We love open-source software, and use the following in the New Relic Insights back-end service. 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.
For more help
Additional documentation resources include https://insights.newrelic.com/licenses (a listing of third-party gems used by New Relic Insights).