... I send out a list of most interesting libraries and apps in the "C#" section to about 1100 subscribers.
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Distributed transaction solution in micro-service base on eventually consistency, also an eventbus with Outbox pattern
Orleans is a cross-platform framework for building distributed applications with .NET
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
Port of Akka actors for .NET
Pluggable foundation blocks for building distributed apps.
A 100% native C# implementation of ZeroMQ for .NET
Proto Actor - Ultra fast distributed actors for Go, C# and Java/Kotlin