Top 20 NuGet attribute Packages

Inspect the usage of attributes per entity
AttributeRouting for ASP.NET Web API lets you specify routes using attributes on your API controllers and actions.
Metadata/Attribute library for the FreecraftCore.Serializer. This library provides the attributes required to markup DTOs.
Extensions for: byte[], string, Attribute, LINQ.
AttributeRouting for ASP.NET MVC lets you specify routes using attributes on your MVC controllers and actions.
Allows emitting arbitrary assembly attributes, compatible with SDK-style projects and classic ones. Usage: declare @(AssemblyAttribute) items to include, such as: <ItemGroup> <AssemblyAttribute Include="[ATTRIBUTE_FULL_TYPENAME]" _Parameter1="[CTOR_ARG]" _ParameterN="[CTOR_ARG_N]" /> </Ite...
Utilities and Conventions for Routing Services with NancyFX
Automatically assigns an AssemblyBuildTimeAttribute to the assembly during build-time. Build time can be aquired through extension methods such as Assembly.GetBuildTime().
lib12 is set of useful classes and extension created for .NET framework
A simple persistence library. Simply mark properties with attributes and they are persisted in registry.
Code generator for [Record]-marked types. Automatically creates backing code (constructor, With- mutators, deconstructor to tuple, Builder nested type etc.) for immutable record classes. This package references all required and recommended (analyzers) packages. See project site for installation inst...
Code generator for [FlagsEnumeration]-decorated types. Automatically generates bitwise operator overloads corresponding with your derived Enumeration assets. This package references all required and recommended analyzer packages. See project site for installation instructions and more details.
This package provides custom validation attributes like [DomainName], [HttpLink], [ADUserName], [ValidDateTime], [ValidFile], [ImageFile] and [EmailAddress].
AttributeRouting for self-hosted Web API lets you specify routes using attributes on your API controllers and actions.
Defines [Record] (RecordAttribute) in global:: namespace; used to generate "immutable records" support code (constructors, With- mutators, tuple deconstructor etc.). See project site for more details.
Log4Net library for logging to entities
Provides the [FlagsEnumeration] attribute for use when signaling when bitwise operators and so forth are to be auto generated at build time.
XrmToolbox plugin to create, modify and delete entity attribute metadata via an Excel template.
XrmToolbox plugin to help you update entity records
Contains code generators for [Record]-marked types. Creates backing code (constructor, With- mutators, deconstructor to tuple, Builder nested type etc.) for immutable record classes. See project site for installation instructions and more details.