Akka vs Orleans: What are the differences?
Developers describe Akka as "Build powerful concurrent & distributed applications more easily". Akka is a toolkit and runtime for building highly concurrent, distributed, and resilient message-driven applications on the JVM. On the other hand, Orleans is detailed as "An approach to building distributed applications in .NET". Orleans is a framework that provides a straightforward approach to building distributed high-scale computing applications, without the need to learn and apply complex concurrency or other scaling patterns. It was created by Microsoft Research and designed for use in the cloud.
Akka and Orleans can be categorized as "Concurrency Frameworks" tools.
Akka and Orleans are both open source tools. It seems that Akka with 9.99K GitHub stars and 3.03K forks on GitHub has more adoption than Orleans with 5.08K GitHub stars and 1.24K GitHub forks.