TeeChart Charting Controls for NET offer a great generic component suite for a myriad of charting requirements, targeting too, important vertical areas such as the financial, scientific and statistical worlds.

These 100% native controls for iOS and Android have been designed to be used in Xcode's Objective C or Swift projects and within Android Studio. For those favoring C# or VB.NET, Xamarin.iOS and Xamarin.Android wrappers are available for use within Visual Studio.

Delphi and C++ Builder components for playing and recording waveform audio.

uses standard Windows Waveform Audio API
supports raw PCM audio data and PCM wav files
available for Delphi/C++ Builder 5 - 10.3 and Lazarus 1.8.4
source code included in registered version
royalty free distribution in applications

Delphi authentication library for iOS.
uses LocalAuthentication framework
available for Delphi XE8 - 10.3
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder barcode component.

uses Zint Barcode Generator
supports over 50 symbologies including Code 128, Data Matrix, USPS OneCode, EAN-128, UPC/EAN, ITF, QR Code, Code 16k, PDF417, MicroPDF417, LOGMARS, Maxicode, GS1 DataBar, Aztec, Composite Symbols and more
supports Windows 32 and Windows 64
available for Delphi/C++ Builder 5 - 10.3 and Lazarus 2.0
source code included in registered version
royalty free distribution in applications

Delphi library for automating LibreOffice.

complete LibreOffice API supported
available for Delphi 7 - 10.3
source code included in registered version
distributing library in applications is royalty free

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

Delphi and C++ Builder components for automating Microsoft Excel.

Excel Component Suite is part of Office Component Suite
supports Microsoft Excel 2010 - 2019
provides direct access to Excel objects
available for Delphi/C++ Builder 5 - 10.3 and Lazarus 2.0.4
source code included in registered version
distributing components in applications is royalty free