rgl 

MessagePack: Extremely efficient object serialization library for cross-language communication. It's like JSON, but very fast and small.

Detects whether a MailKit email Message is a bounce message

CLR binding for ØMQ (ZeroMQ). WARNING: This package is DEPRECATED; use the clrzmq package instead. WARNING: this only works with x86 build targets.

CLR binding for ØMQ (ZeroMQ). WARNING: This package is DEPRECATED; use the clrzmq-x64 package instead. WARNING: this only works with x64 build targets.