Top 20 NuGet attributes Packages

AngleSharp is the ultimate angle brackets parser library. It parses HTML5, CSS3, and XML to construct a DOM based on the official W3C specification.
Creates and inject attributes and properties to existing types in runtime
Extensions for configuring Autofac with attributes
Attributes for configuring Autofac registrations
MrAdvice allows to weave aspects at build-time (just like PostSharp, but free as in free beer). Write your own aspects in the form of attributes and apply them to target methods or properties. This version does not require any dependency (on the opposite of MrAdvice.Fody which requires Fody).
Route messages based on Routing Attributes. Includes attributes for Exchange, Queue and Routing.
Attribute based mapping for NHibernate.
Autofac extension that allows to automatically bind a type with configuration provider through attributes.
Superset of MEF attributes. In addition to Export/Import contains attributes to support modern IOC (DryIoc) features.
You can use attributes in the JetBrains.Annotations namespace to annotate your own code to make ReSharper analyze it with greater accuracy and insight.
REST API framework so hot it sustains its own wind system. This package installs Stems for ASP.NET Core and the Entity Framework Core data source.
Contains various basic file functions, functions for working with streams and working with CSV's.
Provides attributes for the Remiworks event bus framework.
Decorate Stem classes to describe your REST API.
Basis for TagHelpers: abstract class AbstractTagHelper; TagAttribute Enums, include Colors Bootstrap, Input Types, Button Names; interfaces IParamsInput and IParamsInputBase for htm control taghelper.
Ninject extension that allows to automatically bind a type with configuration provider throught attributes.
General TagHelpers: EditorTagHelper; ItemTagHelper; ModalWindowTagHelper; PageHeaderTagHelper; SelectTagHelper.
Obsolete! Use https://www.nuget.org/packages/MrAdvice/ instead! MrAdvice allows to weave aspects at build-time (just like PostSharp, but free as in free beer). Write your own aspects in the form of attributes and apply them to target methods or properties.
Configure messages and topology with attributes.
Superset of MEF attributes. In addition to Export/Import contains attributes to support modern IOC (DryIoc) features.