Delphi and C++ Builder utilities library.

available for Delphi/C++ Builder 7 - 10.3 and Lazarus 2.0
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder library for creating and processing PDF documents.
uses PDFsharp library
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 7 - 10.3
royalty free distribution in applications

Delphi and C++ Builder serial communication library for USB serial devices for Android.

FEATURES

Uses UsbSerial library
Supports CP210x, CP2130, CDC, FTDI, PL2303 and CH34x devices
No special root access privileges needed
Available for Delphi/C++ Builder XE6 - 10.3
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder USB and HID library for Android.

Features

uses standard Android USB API
available for Delphi/C++ Builder XE7 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder serial communication library for Prolific devices for Android.

Features:

uses Prolific PL2303 library
no special root access privileges needed
available for Delphi/C++ Builder XE6 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder library for Android to handle Zip files.

Features:

uses Zip4j library
available for Delphi/C++ Builder 10 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder optical barcode recognition library.

uses ZXing.Net 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, PDF 417 and Pharmacode barcodes
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 7 - 10.3
source code included in registered version
royalty free distribution in applications