Merge pull request #48116 from mohsinnasir/patch-2

Mentioning third-party session state providers

Author: ktoliver

articles/azure-cache-for-redis/cache-aspnet-session-state-provider.md

@@ -120,6 +120,11 @@ Once these steps are performed, your application is configured to use the Azure
 
 For more information about session state and other best practices, see [Web Development Best Practices (Building Real-World Cloud Apps with Azure)](https://www.asp.net/aspnet/overview/developing-apps-with-windows-azure/building-real-world-cloud-apps-with-windows-azure/web-development-best-practices).
 
+## Third-party session state providers
+
+* [NCache](https://www.alachisoft.com/ncache/session-index.html)
+* [Apache ignite](https://apacheignite-net.readme.io/docs/aspnet-session-state-caching)
+
 ## Next steps
 
 Check out the [ASP.NET Output Cache Provider for Azure Cache for Redis](cache-aspnet-output-cache-provider.md).