For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.

Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes

WinDivert: Windows Packet Divert

the LIBpcap interface to various kernel packet capture mechanism

Iridium - Lightweight .NET ORM for mobile, desktop and server applications