Top 20 NuGet poco Packages

Yet Another POCO Generator for SQL Server and Azure Table
.NET Core library for generating form-url-encoded data from DTOs
Code Generator via PowerShell
POCOs and OrderBy CustomExtension to use with DataTables server requests
T4 templates from AsyncPoco changed to regular library to be usable by dotnet-script
PocoGen supporting Sql Server, MySQL, PostgreSQL, Oracle, SqlCE.
JsonDtoMapper is a tool to convert POCO objects to data transfer objects of JSON format dynamically without the need for intermediate DTO objects.
POCOs for XML serialized objects in app.config and web.config
Small & efficient C# POCO classes mapper. Features: - Objects mapping with null references handling - Nested objects mapping - Mapping collection types (array, list & IEnumerable), as well as the collection type properties - Custom mapping functions for selected properties
A simple, lightweight serialization facade for reading and writing YAML files to and from plain-old csharp objects. Depends on the YamlDotNet library.
Geared more toward Azure Table Storage (vs CosmosDB, which has an ATS api), using an intra/inter partition (or table) secondary index pattern. This library handles keeping the indexes up to date as data gets mutated.
Granular mapping of entity class to DTO without the use of System.Reflection
POCOs for objects in app.config and web.config