- Elixir (and Erlang) https://elixir-lang.org/
- Akka - JVM and .NET frameworks - https://akka.io/ https://getakka.net/
- Actix - Rust framework - https://actix.rs/docs/actix/getting-started
- MS Orleans - https://learn.microsoft.com/en-us/dotnet/orleans/overview
- Pony - https://www.ponylang.io/