Floomeen (nuget): Floomeen is a .NET Standard 2.0 Library for finite state machines development. Use a simple and powerful fluent Api for  workflows declaration, custom adapters to allow machines communicate with external entities (e.g. email gateways), coordinators for master-slave machines collaboration.
Keywords: finite|state|machines|workflows|fluent|api|gateways|c-sharp|csharp|dotnet|finite-state-machine|fluent-api|machine|state-machine