LLBLGen Pro v5.5 is here!

See what's new in LLBLGen Pro v5.5

Bridge the gap between
your code and the database

Trusted by over 7000 companies in over 100 countries worldwide.

Using databases in your .NET code made easy

To write queries against your ORM framework, utilizing your database and your data:
LLBLGen Pro gets you there immediately, whether you target .NET Full, .NET Core or Xamarin.

Best solution for...

Cloud based apps

The LLBLGen Pro Runtime Framework is best-in-class for cloud-based apps, due to its low-memory, high performance characteristics. .NET Core or .NET Full: your choice.
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Working with Entity Framework Core class models

No designer on the market lets you work as effortlessly with Entity Framework and Entity Framework Core class models as LLBLGen Pro.
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Windows-based Line-of-Business apps

The LLBLGen Pro Runtime Framework offers the rich set of features needed for today's Line-of-Business development: powerful auditing, authorization and validation functionality as well as async/await, linq and flexible databinding support.
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Exposing a class model through a service

The Derived Models feature offered by the LLBLGen Pro designer allows you to create DTO class models based on your entity model, which are ready-to-use in your WebAPI/(micro)service.
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Use any .NET ORM framework

LLBLGen Pro is the leading entity modeling solution for .NET and can be used with Entity Framework Core or Entity Framework Full, the LLBLGen Pro Runtime Framework (included), NHibernate and Linq to Sql. It lets you easily define your entity model and map it to your database so you can get started writing queries right away.

The LLBLGen Pro Designer

Work the way you want

The LLBLGen Pro Designer supports both database-first and model-first modeling. At any given moment you can switch between the two, giving you the flexibility you need.

Solid and reliable

The Designer is the best choice for working with the major O/R Mapping frameworks: Entity Framework Core, Entity Framework Full, the LLBLGen Pro Runtime Framework, NHibernate and Linq to Sql. It's flexible, allowing you to configure any aspect of the mapping workflow. It's robust, designed to handle models with thousands of entities.

World-class generated code

The code produced by the Designer reads like it's been written by you. It's clean, well documented and well tested. There are no surprises, so you can focus on more important matters.


The LLBLGen Pro Designer offers the complete toolset you'll need to utilize any of the supported O/R mapper frameworks and databases in your application to the fullest.

Sophisticated O/R mapping

With the LLBLGen Pro designer you create the necessary code bases to use any of the following supported O/R mapping frameworks.

Entity Framework Core / Full

Use the Entity Framework, be it Entity Framework Core, v6 or an older version, the way Microsoft intended. Without any effort.
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LLBLGen Pro Runtime Framework

Our own, high performance and fully featured O/R mapping framework. A modern and reliable ORM which gives you the power you need to fully utilize the potential of your application. The LLBLGen Pro Runtime Framework ships with the LLBLGen Pro designer.
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Your choice for NHibernate doesn't mean you have to write its mappings and classes by hand: the LLBLGen Pro designer lets you get started with this sophisticated Open Source ORM quickly.
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Linq to SQL

The LLBLGen Pro designer gives you a full design experience for this Microsoft ORM in ways the Microsoft designer never could.
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You are a professional, so you need professional tools
Tools you can rely on, because your clients rely on you.

Why LLBLGen Pro?

Shorter development time

The time a developer used to spend on repetitive tasks is eliminated, doubling productivity. This means projects can be completed on time.

Designed to be open and flexible

The designer and our framework are designed to be open, flexible and extensible so they meet the way you want to work with entity models and your data.

Developed by experts

In-depth experience with data-access and entity-management makes the LLBLGen Pro team the right people for doing the job of writing Data Access and Business Objects tiers.

No mistakes are made writing the 'plumbing'

The code generated by LLBLGen Pro is mature (on the market since 2003) and has been tested thoroughly, making the appearance of bugs virtually non-existent when compared to situations in which the 'plumbing' is written manually.


All editions come with the LLBLGen Pro Designer, the LLBLGen Pro Runtime Framework, full support for Entity Framework, NHibernate, Linq to Sql and the LLBLGen Pro Runtime Framework, and extensive documentation.

LLBLGen Pro 30-day Trial

LLBLGen Pro 30-day Trial is a free download, contains all features of the Standard edition, however it's limited to working for 30 days.

LLBLGen Pro Standard

LLBLGen Pro Standard is the fully featured edition without limits.

LLBLGen Pro Plus

LLBLGen Pro Plus is equal to Standard and additionally contains a license to ORM Profiler.


Prices are per seat and exclusive of VAT and handling costs.


30 day trial

  • Fully featured
  • 30-day trial license
  • 30-day full support
  • 1-year updates subscription
  • ORM Profiler license



  • Fully featured
  • Perpetual license
  • Full support
  • 1-year updates subscription
  • ORM Profiler license



  • Fully featured
  • Perpetual license
  • Full support
  • 1-year updates subscription
  • ORM Profiler license

Volume discounts

Volume discounts for LLBLGen Pro Standard and LLBLGen Pro Plus are available if you purchase multiple licenses at once. See the table at the right for the price bands. The correct total amount for the number of licenses you purchase is calculated automatically on the order page.

Number of licenses Price per license Standard Price per license Plus
1 to 2 € 299.- € 398.-
3 to 5 € 269.- € 368.-
6 to 10 € 259.- € 358.-
11 to 20 € 249.- € 348.-
more than 20 € 239.- € 338.-

Why wait?

Become more productive today.

Buy now    Download Trial