Top 20 NuGet Packages

OPC UA Server Class Library
Adds OpenId Auth Providers for use in ServiceStack Web and REST Services. Includes built-in support for Google, Yahoo, MyOpenId and Custom OpenId providers. More Info on Auth Providers: https://docs.servicestack.net/authentication-and-authorization
Optional is a robust option/maybe type for C#.
Middleware and extensions for returning exceptions over HTTP, e.g. as ASP.NET Core Problem Details (RFC7807).
Oracle Data Provider for .NET (ODP.NET) Entity Framework Core for Oracle Database.
Workspace management library.
A 2D application/game framework written with rhythm games in mind.
OpenID Connect server middleware for OWIN/Katana.
OxyPlot is a plotting library for .NET. This package targets WPF applications.
Perforce Helix VCS Library for .NET Core Cross Platform Library supporting Windows, Linux and OSX x64
Parbad is a free, open-source, integrated and extensible library which connects your web applications to online payment gateways. Gateways can be added or developed by you. The Virtual Gateway also simulates the online payment process, which helps the application development. More information: http...
ParquetSharp is a .NET library for reading and writing Parquet files. It's implemented in C# as a PInvoke wrapper around apache-parquet-cpp to provide high performance and compatibility.
Purplebricks message subscriber infrastructure: .Net Core dependency resolution helper
Purplebricks message subscriber infrastructure: StructureMap dependency resolution helper
C# SDK for the PayRun.io payroll API
Peachpie PHP language library functions.
PhantomJS is a headless WebKit scriptable with a JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG.
Piranha CMS middleware components for AspNetCore
Piranha CMS security provider for AspNetCore Identity
Piranha CMS AspNetCore Identity provider for SQLServer