---
title: .NET agent licenses
source: https://docs.newrelic.com/docs/licenses/product-or-service-licenses/new-relic-apm/net-agent-licenses
---

We love open-source software, and use the following in the New Relic .NET agent. 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.

| **Library**                                                                                                | **License**                                                                                                                        |
| ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------- |
| [Autofac](https://autofac.org/ "Link opens in a new window")                                               | [MIT](https://github.com/autofac/Autofac/blob/master/LICENSE "Link opens in a new window")                                         |
| [Castle.Windsor](http://www.castleproject.org/ "Link opens in a new window")                               | [Apache License, Version 2.0](http://opensource.org/licenses/Apache-2.0 "Link opens in a new window")                              |
| [Dongle.Net](https://github.com/webbers/dongle.net "Link opens in a new window")                           | [MIT](https://github.com/webbers/dongle.net/blob/master/MIT-LICENSE.txt "Link opens in a new window")                              |
| [JetBrains.Annotations](https://www.nuget.org/packages/JetBrains.Annotations "Link opens in a new window") | [MIT](https://raw.githubusercontent.com/JetBrains/ExternalAnnotations/master/LICENSE.md "Link opens in a new window")              |
| [Log4net](http://logging.apache.org/log4net "Link opens in a new window")                                  | [Apache Version 2.0](http://logging.apache.org/log4net/license.html "Link opens in a new window")                                  |
| [MongoDB Driver for .NET](https://github.com/mongodb/mongo-csharp-driver "Link opens in a new window")     | [Apache License, Version 2.0](https://github.com/mongodb/mongo-csharp-driver/blob/master/License.txt "Link opens in a new window") |
| [Newtonsoft.Json](https://www.nuget.org/packages/Newtonsoft.Json/ "Link opens in a new window")            | [MIT](https://raw.githubusercontent.com/JamesNK/Newtonsoft.Json/master/LICENSE.md "Link opens in a new window")                    |
| [RapidXml](http://rapidxml.sourceforge.net/ "Link opens in a new window")                                  | [MIT](http://rapidxml.sourceforge.net/license.txt "Link opens in a new window")                                                    |
| [SharpZLib](http://www.icsharpcode.net/opensource/sharpziplib "Link opens in a new window")                | [GNU Classpath](https://github.com/icsharpcode/SharpZipLib/blob/master/LICENSE.txt "Link opens in a new window")                   |

The remainder of the code is covered by the [New Relic agent license agreement](https://docs.newrelic.com/docs/licenses/license-information/other-licenses/new-relic-agent-license).