Here are the packages with brief descriptions (if available):
[detail level 1234]
|  ▼Ncom |  | 
|  ▼Ngrabba |  | 
|  ▼Ndriver | Top-level package for Grabba Driver  | 
|  Nbarcode | Support for barcode reader hardware in Grabba devices  | 
|  Nfingerprint | Support for fingerprint reader hardware in Grabba devices  | 
|  Ninternal | Internals for Grabba Driver  | 
|  Nmagstripe | Support for magnetic stripe reader hardware in Grabba devices  | 
|  Nmrtd | Support for Machine-Readable Travel Documents (MRTDs) with suitable Grabba devices  | 
|  Nmrz | Support for Machine-Readable Zone (MRZ) hardware in Grabba devices  | 
|  Nproxcard | Support for RFID/proximity card reader hardware in Grabba devices  | 
|  Nsmartcard | Support for contact smart card reader hardware in Grabba devices  |