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

uses Tesseract OCR engine and Leptonica image processing library
available for .NET 2 - 4.5
source code included in full version
royalty free distribution in applications

XLSSpreadSheet 2 is a native Delphi component for editing and viewing Microsoft Excel files.

With XLSSpreadSheet, you can work with Excel files just as they in Excel itself. The component don't need any other software or libraries to be installed.
XLSSpreadSheet works togheter with XLSReadWriteII, wich also is included. XLSSpreadSheet is easy to use. If you are familiar with XLSReadWriteII, you allready have the knowledge that's needed, as all control of the Excel data is trough the XLSReadWriteII object of XLSSpreadSheet.
The latest version of XLSReadWriteII is included when you purchase XLSSpreadSheet.
XLSSpreadSheet also comes with components for printing and print preview.
Full source code is included.
No runtime fees for the component.
On the Download page can you download a demo version of the component, or a compiled EXE application that you can test your Excel files with.
XLSSpreadSheet costs EUR 495.
XLSSpreadSheet works with Delphi/RAD Studio 6 to XE8.

Delphi and C++ Builder component for retrieving joystick position and status.

Uses standard Windows Joystick API
Available for Delphi/C++ Builder 5 - XE8 and Lazarus 1.2.6
Source code is included in full version
Royalty free distribution

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, PDF417, GS1 DataBar, GS1 DataBar Expanded,
Interleaved 2 of 5 and QR Code barcodes
Available for Delphi/C++ Builder 5 - XE8 and Lazarus 1.2.6
Source code included in full version
Royalty free distribution in applications

Delphi and C++ Builder barcode component.

Features

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
Available for Delphi/C++ Builder 5 - XE8 and Lazarus 1.2.6
Source code included in full version
Royalty free distribution in applications

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

Uses standard Windows SimpleMAPI
Compatible with MS Outlook, Outlook Express and other email clients
Available for Delphi/C++ Builder 5 - XE8 and Lazarus 1.2.6
Source code is included in full version
Royalty free distribution

Delphi and C++ Builder communication components. Protocols 3964 and 3964R are implemented.

Features:

Available for Delphi/C++ Builder 5 - XE8 and Lazarus 1.2.6
Source code included in full version
Royalty free distribution in applications

Component for serial communication 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 5 - XE8 and Lazarus 1.2.6
Source code included in full version
Royalty free distribution in applications

Delphi and C++ Builder camera component for Android.

uses Android Camera API
available for Delphi/C++ Builder XE5 - XE8
source code included in full version
royalty free distribution in applications

Delphi 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 XE5 - XE8
source code included in full version
royalty free distribution in applications