Cross-platform messaging client library implementing the full MQTT specification.

Feature overview
MQTT client component
Can be used in VCL,FMX and LCL applications
Supports Windows, iOS, Android, macOS, Linux, Raspberry Pi
Implements full MQTT specification including QoS, Last will message, message retaining
Fast & multithreading based architecture

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

Features

Uses standard Android USB API
Available for Delphi/C++ Builder 10.4 - 12
Source code included in registered version
Royalty free distribution in applications

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

Features

Uses usb-serial-for-android library
Supports
FTDI FT232R, FT232H, FT2232H, FT4232H, FT230X, FT231X, FT234XD
Prolific PL2303
Silabs CP2102, CP210*
Qinheng CH340, CH341A, CH9102
CDC/ACM protocol (Arduino, Digispark, BBC micro:bit, ...)
GsmModem devices (Unisoc based Fibocom GSM modems)
Chrome OS CCD (Closed Case Debugging)
No special root access privileges needed
Available for Delphi/C++ Builder 10.4 - 12
Source code included in registered version
Royalty free distribution in applications

High-quality (anti-aliasing) drawing of blocks and lines
Open architecture for building custom blocks and lines inherited from base classes
Ready-to-use flowchart, arrow and electric blocks
Linking system allow customizable link points and information retrieval of connected blocks
Block gradient, shadow and bitmap

Delphi and C++ Builder communication library for FTDI FT311D and FT312D devices for Android.

Features

Supports the complete FT311D/FT312D functionality
No special root access privileges needed
Available for Delphi/C++ Builder 10.4 - 12
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder biometrics library for Android.

Features

Uses Android Biometrics API
Requires Android 9 Pie (Android API 28) or higher
Available for Delphi/C++ Builder 10 - 12
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder cryptography library for Android.

Features

Uses Android Cryptography APIs
Available for Delphi/C++ Builder 10.4 - 12
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder authentication library for Android.

Uses Android KeyguardManager API
Available for Delphi/C++ Builder 10 - 12
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder Bluetooth library for Android.

Features

Uses Android Bluetooth API
Supports BLE and BT Classic clients
Available for Delphi/C++ Builder 10.4 - 12
Source code included in registered version
Royalty free distribution in applications

High-quality (anti-aliasing) drawing of blocks and lines
Open architecture for building custom blocks and lines inherited from base classes
Ready-to-use flowchart, arrow and electric blocks
Linking system allow customizable link points and information retrieval of connected blocks
Block gradient, shadow and bitmap
Full block customization: pen, brush, color, selection color, minimum width and height
Block text customization: horizontal and vertical alignment, font, word wrap, clipping