Top 20 NuGet data Packages

Data access layer using the repository pattern.
C# extension library for input/output operations and data management.
A simplistic extendible library for Electronic Data Processing. It separates the the loading, processing, and outputing of the data to allow for taking data in one form and translate it into a more usable form.
Adeptik Preferences is lightweight library using for storing preferences.
Auto generate stored procedure proxies based on defined interfaces
A resumption monad for .NET targeting data access with automatic batching and caching.
Use SQL Server as the data store for MessageKeeper
Adds config for using Rezoom.SQL.Provider with SQLite.
Adds config for using Rezoom.SQL.Provider with MS SQL Server.
基于 Dapper、Dapper-Extensions 构建的微型 ORM 类库,提供一个包含增、删、改、查等常用方法的数据访问层基类,支持用 Lambda 表达式书写查询和更新条件
See https://github.com/strisys/DataAccessBlockFunc
A set of tools for web development.
Provides active list extensions for data tables.
Poort80.Umbraco.Validation asp.net dataanotations in Umbraco
DataBag provides an easy way of resolving string expressions based on registered variables. DataBag.EntityFramework allows you to integrate DataBag library with EntityFramework. For more details see Project Site.
A easy-to-use and high performance Micro-ORM for .NET
Adds config for using Rezoom.SQL.Provider with PostgreSQL.
Extension for FlashMapper that allows to map data from multiple sources.