Delphi and C++ Builder components you can use
to add messaging functionality to your applications.

uses standard Windows SimpleMAPI API
compatible with MS Outlook, Outlook Express, Mozilla Thunderbird and other email clients
available for Delphi/C++ Builder 5 - 10.3 and Lazarus 2.0
source code included in registered version
distributing components in applications is royalty free

Delphi and C++ Builder media recorder component for Android.

uses Android MediaRecorder API
provides audio and video recording
camera component is included
available for Delphi/C++ Builder XE5 - 10.3
source code included in full version
royalty free distribution in applications

Read and modify existing CSV files:

with TCsv.Create do
try
LoadAnsiFile('c:\data.csv');
ShowMessage(ToString);

if (LineCount > 1) and (FieldCount[1] > 2) then
Fields[1, 2] := 'New value';
ShowMessage(ToString);
finally
Free;
end;

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 library to communicate with attached media and storage devices. Applications can explore devices, send and receive content, and even control devices.

uses standard Windows Portable Devices API
supports Media Transport Protocol (MTP) and Mass Storage Class (MSC) devices
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 5 - 10.3
source code included in registered version
distributing library in applications is royalty free

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

uses usb-serial-for-android library
supports FT232R, CDC/ACM (Arduino Uno), CP2102 and CH34x chips
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 components for accessing MS Access databases
using DAO 3.5, DAO 3.6 (Data Access Objects) and ACEDAO. Provides fast,
native access to data without the need of BDE (Borland Database Engine).

Delphi and C++ Builder FireMonkey serial communication component for Windows.

Features:

communication with devices connected to serial port
easy of use and very powerful
uses multithreading and overlapping for maximum performance
supports Delphi/C++ Builder XE2 - 10.3 FireMonkey applications
supports Windows 32/64bit
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder library for creating, processing and rendering PDF documents.

uses PdfBox-Android library
available for Delphi/C++ Builder 10 - 10.3
royalty free distribution in applications

Delphi and C++ Builder NFC library for Android.

FEATURES

Uses Android NFC API
Supports reading, writing and formatting NFC tags
Supports Android Beam data transfer
Supports foreground dispatch and reader mode
Supports host-based card emulation
Supports ISO-DEP, NDEF, NFC-A, NFC-B, NFC-F, NFC-V, MIFARE Classic and MIFARE Ultralight tags
Available for Delphi/C++ Builder 10 - 10.3
Source code included in registered version
Royalty free distribution in applications