There are many ways to build better apps with LEADTOOLS. We strive to give developers many options that fit their development style and environment. In addition to our Full Evaluation Download, the vast majority of our .NET functionality is available via NuGet. To help you start coding faster, we've compiled a list of source code projects that reference our NuGet packages.

All Projects (OCR, Barcode, Forms, Converter, Viewer, PACS)

This collection of projects includes all functionality available in LEADTOOLS NuGet packages. Springboard your development using these projects for OCR, Barcode, Document Viewing and Conversion, Forms Recognition, DICOM, PACS, and more for .NET Framework, .NET Core, UWP, Xamarin, and Web development.

OCR Projects

Includes projects that use the LEADTOOLS OCR engine to convert images to searchable documents, acquire images from TWAIN devices, utilize multiple threads, draw recognition zones on an image, and more for .NET Framework, .NET Core, UWP, and Xamarin development. The LEADTOOLS engine supports over forty languages and character sets including English, Spanish, French, German, Japanese, Chinese, and Arabic.

Barcode Projects

Includes projects and sample images for detecting, reading, and writing barcodes such as UPC, EAN, Code 128, QR Code, Data Matrix, PDF417, and more for .NET Framework, .NET Core, UWP, and Xamarin development

Forms Recognition and Processing Projects

Includes projects for Forms Recognition, Forms Processing, Master Form Template Creation, Bank Check Recognition, MRTD Passport Recognition, and more for .NET Framework development.

Document Converter Projects

Includes projects that convert to and from any document or raster image file and perform document-to-document conversion at 100% accuracy without the need for OCR for .NET Framework, .NET Core, UWP, and Xamarin development.

Document Viewer (.NET) Projects

Includes projects that show how to use the .NET LEADTOOLS Document Viewer create robust, fully featured applications with rich document-viewing features, including text search, annotation, memory-efficient paging, inertial scrolling, and vector display in WinForms and WPF UIs.

Document Viewer (HTML5/JavaScript) Projects

These fully functional and OEM-ready web application projects include ASP.NET Web API services and rich HTML5/JavaScript client side technology to create robust, fully featured applications with rich document-viewing features, including text search, annotation, memory-efficient paging, inertial scrolling, and vector display. The web version of the Document Viewer also includes the Document Composer, Document Comparer, and integration with popular 3rd-party cloud storage services including SharePoint, OneDrive, and Google Drive.

Medical PACS Projects

This collection of projects demonstrates how to use LEADTOOLS PACS libraries to create advanced Medical Imaging applications with .NET Framework. It also includes the Zero-footprint, HTML5/JavaScript Medical Web Viewer web application, which is an OEM-ready, platform-independent solution for displaying DICOM studies for all medical disciplines and modalities.


NOTE: LEADTOOLS requires a license file, even for the free evaluation. When you click the downloads above, you will be directed to our standard evaluation form. After filling out the short survey, you will be emailed an evaluation license file and your download will begin.