neardreams 

A pure C# high-performance parallel ping library inspired by fping. Supports async ICMP ping, IPv4/IPv6, CIDR range scanning, per-host statistics, and real-time event callbacks.

RFC 7396 JSON Merge Patch for ASP.NET Core. Pure System.Text.Json, zero Newtonsoft.Json dependency. Drop-in replacement for Morcatko.AspNetCore.JsonMergePatch.