GdPicture.NET is sold in 6 different editions *: 

GdPicture.NET Document Imaging SDK Ultimate including:

• Image processing.
• PDF creation, reader & viewing.
• TWAIN acquisition.
• Raster image & Metafile viewing.
• 1D Barcode Recognition.
• OCR.

GdPicture.NET Document Imaging SDK including:

• Image processing.
• PDF creation, reader & viewing.
• TWAIN acquisition.
• Raster image & Metafile viewing.

GdPicture.NET Image SDK including:

• Image processing.
• PDF creation.
• Raster image & Metafile viewing.

GdPicture.NET TWAIN PRO SDK including:

• TWAIN acquisition.
• Image processing.
• PDF creation.

GdPicture.NET TWAIN SDK including:

• TWAIN acquisition.
• Image processing.

GdPicture.NET Document Viewer SDK including:

• Raster image & Metafile viewing.
• PDF viewer.

* All these edition are based on the same GdPicture.NET suite. Therefore, depending of the edition you are using some functions of the GdPicture.NET suite will be unavailable.