Top 20 NuGet datareader Packages

A .NET library for reading and writing delimited CSV data.
A .NET library of types for working with data objects.
Provides a standard way to read Excel data and fixed width files.
A .NET library implementing the csvz specification.
Simple .NET database layer for Sqlite based on System.Data intended for mainly read-only data access i.e. for reporting purposes or similar read-only data access
Optimized data reader which contains performance improvements when dealing with datasets which contain a large number of rows.
Simple C# SqlDataReader object mapper. Allows you to map a SqlDataReader to the particular objects. Supports simple property mapping, property name transformations, string trimming, manual property binding by name, type changing, function binding, etc.
-easy reading an writing data -supported formats: Csv, Fixed, Sql, Xml, Excel, Access, ADO (Oracle SqlServer, PostGre,...) -supports streaming an pipelining
Moq extension to mock DbDataReader with a list
Extension methods for the ADO.NET IDataRecord class.
Squickl is a .NET library that simplifies access to SQL data sources when you don't want or need an ORM.
Implementation of IDataReader interface for regular expressions. Use to parse a file line by line by regex. Can be used with SqlBulkCopy.
Stream reading over SqlDataReader
Additional asynchronous functionality for the Bogosoft.Data library.
If you feel that the IDataReader interface could use some work, here is your change. DataReaderExtensions focuses on empowering the IDataReader interface through new method extensions that will make your code a lot cleaner.
Extension functions package for IDataReader implementations.
Use FlatFiles to generate MVC ActionResults.
ProtoBuf Data Light: a lightweight IDataReader serializer. This library serializes an IDataReader to a binary format using Marc Gravell's protobuf-net.
The missing component for AutoMapper version 4.2.1 that allows to Map IDataReader to IEnumerable
Bundle with libraries to facilitate use of ADO.Net and its most commonly used classes such as DBConnection, DBCommand and DataReader