Ceras (nuget): Extremely fast binary serializer with tons of features.       Full reference persistence (including circular references), polymorphism, zero-allocations, can handle readonly fields, delegates, 'KnownTypes' list for whitelisting and optimization in network scenarios... checkout the github page for a full feature list!
Keywords: utility|ceras|serialization|binary|serializer|formatter|unity|unity3d|network|networking|immutable|il2cpp|aot|c-sharp|csharp|database|dotnet|dotnet-core|msgpack|net|persistent-storage|protocol|serialisation|serialize-objects