Use OCR component to retrieve text from image, for example from scanned paper document.

uses Tesseract OCR engine and Leptonica image processing library
available for Delphi/C++ Builder 5 - 10.2 and Lazarus 1.8.4
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder optical barcode recognition library for Android.

uses ZXing library
supports UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, Codabar, ITF, RSS-14, RSS-Expanded, QR Code, Data Matrix, Aztec and PDF 417 barcodes
available for Delphi/C++ Builder XE5 - 10.2
source code included in registered version
royalty free distribution in applications

Serial communication component for .NET.

communication with any device connected to serial port
easy of use and very powerful
uses multithreading and overlapping for maximum performance
available for .NET 2 - 4.7
source code included in registered version
royalty free distribution in applications

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