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

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

Delphi Open XML library for processing .docx, .pptx and .xlsx documents.

Create or modify Word Document .docx files
Create or modify PowerPoint Presentation .pptx files
Create or modify Excel Workbook .xlsx files
Microsoft Office installation is not required
Uses Microsoft Open XML SDK 2.5
Requires Microsoft .NET 4.0 or higher
Support Windows 32 and Windows 64
Available for Delphi 7 - XE8
Royalty free distribution in applications

Delphi component for serial communication for Android.

Features:

Communication with devices connected to serial port
Available for Delphi/C++ Builder XE5 - XE7
Source code included in full version
Royalty free distribution in applications

JustDecompile is available for free download individually, or it can be purchased with priority support as a part of DevCraft - the most comprehensive HTML5 and .NET toolbox. JustDecompile is fast. In fact, really fast. When tested against the leading competitors, for .NET framework decompilation time, JustDecompile came out 10 times faster than the leading commercial decompiler. Try it and verify the results for yourself.

Delphi serial communication library for FTDI devices for Android.

Features:

Uses FTDI D2XX library
No special root access privileges needed
Available for Delphi XE6-XE7
Source code included in full version
Royalty free distribution in applications

Delphi and C++ Builder library for Android to handle Zip files.

uses Zip4j library
available for Delphi/C++ Builder XE6-XE7
source code included in full version
royalty free distribution in applications

Delphi and C++ Builder serial communication library for Prolific devices for Android.
uses Prolific PL2303 library
no special root access privileges needed
available for Delphi/C++ Builder XE6-XE7
source code included in full version
royalty free distribution in applications