TdxServerModeCustomDataSource class support UniDAC. It is sufficient to override some of TdxServerModeCustomDataSource methods to implement this functionality. Attached is a .pas file that shows how it can be done. Just add this unit to the uses section of your project and write the code similar.

Build fully-integrated solutions for retrieving live financial data from banks, credit card, and investment companies. IPWorks OFX is a powerful library of components for Open Financial Exchange (OFX) client integration. IPWorks OFX facilitates the process of accessing financial data and services from bank, credit card, and investment company accounts. The components provide an easy to use interface for accessing financial transaction information.

Delphi and C++ Builder components to enable applications interact with FTP, and HTTP/HTTPS protocols to access Internet resources.
FTP, HTTP and HTTPS protocols supported
well suited for accessing REST services
uses standard Windows WinINet API
available for Delphi/C++ Builder XE2 - 10.4
source code included in registered version
royalty free distribution

Use OCR component to retrieve text from image, for example from scanned paper document.

uses Tesseract OCR engine and Leptonica image processing library
supports Windows, macOS, iOS and Android
available for Delphi/C++ Builder XE2 - 10.4
source code included in registered version
royalty free distribution in applications

Use OCR component to retrieve text from image, for example from scanned paper document.
uses Tesseract OCR engine and Leptonica image processing library
available for Delphi/C++ Builder 5 - 10.4 and Lazarus 2.0.10
source code included in registered version
royalty free distribution in applications

Delphi and C++ Builder optical barcode recognition component for FireMonkey.
uses ZBar bar code reader library
supports EAN-13/UPC-A, EAN-8, UPC-E, Code 39, Code 93, Code 128, Codabar, GS1 DataBar, GS1 DataBar Expanded, Interleaved 2 of 5, SQ Code and QR Code barcodes
supports Windows, macOS, iOS and Android
available for Delphi/C++ Builder XE3 - 10.4
source code included in registered version
royalty free distribution in applications

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 - 10.4
source code included in full version
royalty free distribution in applications

Delphi and C++ Builder component for retrieving joystick position and status.
uses standard Windows Joystick API
supports Delphi/C++ Builder 10 - 10.4 FireMonkey applications
supports Windows 32/64-bits
source code included in registered version
royalty free distribution with applications

Delphi and C++ Builder component for retrieving joystick position and status.
uses standard Windows Joystick API
available for Delphi/C++ Builder 5 - 10.4 and Lazarus 2.0.8
source code included in registered version
royalty free distribution with applications

Ranorex Studio is an Integrated Development Environment for .Net framework applications written in C# and VB.Net. Ranorex Studio is based on SharpDevelop, an open source tool. The chapter Recording a Test already explains how to create a new Ranorex Solution. Within a Ranorex Solution different kinds of projects can be created. Ranorex Studio offers easy-to-use test automation tools for creating reliable automated testing projects. Optimize your robust test automation frameworks with Ranorex Studio test any desktop, web or mobile application.