Top 20 NuGet builder Packages

A strictly typed Sql Builder for .Net
An object model for generating SQL at runtime.
Provides core functionality lacking in Entity Framework.
This is a generic builder class which separates off the business of creation into a reusable component. Its a quick step to get into the builder pattern which is useful for building loads of things, hierarchical things, fluent interfaces for configuring things and all that.
Automatically creates macro's for MacroPartials, templates for views and doctypes from xml files containing the doctype definition.
A Builder library to automate the creation of objects for testing purposes
Dynamic XML construction API for .NET written on C#
Helper class for generating code concisely.
Queries.Core Class Library
A collection of generic WPF controls (no licensed third party software present).
A modest way to build objects
A NuGet package which can be used to easily create item and project templates for Visual Studio using the dotnet Template Engine (https://github.com/dotnet/templating).
Simplifies the use of Qb.Net with Dapper
A SDK framework that helps create a C# SDK project for consuming a generic REST API based on Microsoft WebAPI 2 conventions
It helps in generating complex queries, optimizing code and generating more flexibility, making it easier to maintain and create complex queries with less bureaucracy.
A free .NET library to help you to build sql strings using C# object notation, making easier to write conditional queries with no hard-typed strings on the code.
Base class for composable builder types
This middleware will show a 'typing' event whenever a long running operation is occurring in your bot or other middeware components in the pipeline, providing a visual cue to the user that your bot is doing something.
Provides an Autofac module to simplify the registration of components in IoC
Implementation of SqlRepo for Microsoft SQL Server