Sure, you can architect your own microservice architecture or use specific language/platform specific solutions but what if you could pick and choose not only what you needed but across whatever languages you want to use and hosting platforms/local servers.
Here are some excellent links to get you further if you wish to explore more about DAPR:
A great intro/visual with our friend Scott Hanselman and friends (2 parts to this): https://channel9.msdn.com/Shows/Azure-Friday/Learn-all-about-Distributed-Application-Runtime-Dapr-Part-1
Original announcement blog from 2019: https://cloudblogs.microsoft.com/opensource/2019/10/16/announcing-dapr-open-source-project-build-microservice-applications/
Using DAPR with Azure functions (definitely on my list!): https://cloudblogs.microsoft.com/opensource/2020/07/01/announcing-azure-functions-extension-for-dapr/#:~:text=Azure%20Functions%20provides%20an%20event,set%20of%20capabilities%20Dapr%20provides. Overview of DAPR on Github: https://github.com/dapr/dapr
Github samples too! https://github.com/dapr/samples
Just as a bonus, getting started with Actor Model - maybe a talk of its own! https://github.com/dapr/dotnet-sdk/blob/master/docs/get-started-dapr-actor.md
Episode 8 - DAPR (Distributed Application Runtime)