Akka - Build powerful reactive, concurrent, and distributed applications in Java and Scala
RxJS - Reactive Extensions for Javascript
Tokio - Application and Data, Languages & Frameworks, and Concurrency Frameworks
Finagle - Finagle is a protocol-agnostic RPC system.
Conc - Better structured concurrency for go. Contribute to sourcegraph/conc development by creating an account on GitHub.
GPars - Application and Data, Languages & Frameworks, and Concurrency Frameworks