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

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

SQL Server Data Access Components (SDAC) is a library of components that provides native connectivity to SQL Server from Delphi, C++Builder, Lazarus (and Free Pascal) for Windows, Linux, macOS, iOS, and Android for both 32-bit and 64-bit platforms. SDAC-based applications connect to SQL Server directly through OLE DB, which is a native SQL Server interface. SDAC is designed to help programmers develop faster and cleaner SQL Server database 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 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder jаvascript Object Notation (JSON) library.. full JSON supported: literals, numbers, strings, arrays and objects.

Read and modify existing JSON files
Create new JSON files
Full JSON supported: literals, numbers, strings, arrays and objects
Date/time encoding and decoding supported
Customizable output
Provides in-memory and streaming JSON parsers and generators
Supports Windows 32, Windows 64, macOS, iOS and Android
Available for Delphi/C++ Builder 5 - 10.3 and Lazarus 2.0
Source code included in registered version
Royalty free distribution in applications

Delphi authentication library for Android.
uses Android KeyguardManager API
available for Delphi 10 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder camera component for Android.
uses Android Camera API
available for Delphi/C++ Builder XE5 - 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 XE6 - 10.3
Source code included in registered version
Royalty free distribution in applications

SecureBlackbox is a collection of over 200 carefully crafted components and libraries that implement security standards and network communication protocols for every popular development platform (Windows, .NET, Linux, macOS, iOS, Java, Android).

The language and compiler is only half of the story for being productive and creating great apps and solutions. While Elements comes with its own development environments, Fire and Water, on Windows it also provides integration with Microsoft's Visual Studio IDE, for developers who already have a copy of Visual Studio 2015, 2017 or 2019 (Community, Professional or higher) installed and prefer working in that environment.

Delphi authentication library for Android.
uses Android KeyguardManager API
available for Delphi 10 - 10.3
source code included in registered version
royalty free distribution in applications