Top 20 NuGet productivity Packages

Handy toolbox with XUnit-related extension methods.
A set of common Value Objects, with comparison and shallow copy operations, full tested and ready to use.
A set of utility components for network operations.
A set of DataAnnotations attributes for validations.
A set of extension methods for String, Collections, Guid and other types.
Provides an easy means for editors and designers to add lists of content in Umbraco pages
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Handy toolbox with commonly used classes and extension methods.
A set of building blocks and participants to implement Design Patterns of GoF and others.
.NET global tool that allows you to combine multiple C# source files into a single one, create a .zip with multiple files, etc.
A set of Guard Clauses to validate method arguments, in order to enforce defensive programming practice.
Productivity extensions for building better applications faster.
A set of generic helper methods and classes for .NET Framework
SlimJim genereates Visual Studio solution files that include related projects from disparate repositories.
Thunder web framework where productivity and performance go together
The fastest and smoothest way to good architecture.
The fastest and smoothest way to great architecture
A tiny helper library for creating database integration tests