Top 20 NuGet bll Packages

DataObjects.Net is the object-relational mapper (ORM) and business logic layer (BLL) framework
Simple generic SOLID .NET Core 2.x architectural framework that will be CRUD and map for you.
Adds integration with ASP.NET for DataObjects.Net-powered projects
Adds support for bulk insert, update and delete operations for DataObjects.Net-powered domain models
Adds support for easy localization for DataObjects.Net-powered domain models
Adds support for reprocessable operations for DataObjects.Net-powered projects
Adds security layer for DataObjects.Net-powered projects
Adds support for Firebird to DataObjects.Net
Adds support for MySQL to DataObjects.Net
Adds support for Oracle database to DataObjects.Net
Adds support for PostgreSQL to DataObjects.Net
Adds support for SQLite to DataObjects.Net
Adds tracking functionality for DataObjects.Net-powered projects
Adds support for logging via NLog for DataObjects.Net
Adds support for logging via log4net for DataObjects.Net
Library intended as a starting point for creating Business Logic Layer in database oriented applications.
Nido Framework is developed on top of MS .NET entity framework, and also heavily influenced by the code first technique. The framework provides a standard method of coding your business logic layer as well as data access layer. That allows you to have much predictable, standard, and best performing ...
Provides interfaces for implementing base classes of entities, mappers and services on BLL-level.
Adds support for SQL Server CE 3.5 for DataObjects.Net
Adds DataObjects.Net configuration template and configuration file schema