DISQLite3 implements a self-contained, embeddable, zero-configuration SQL database engine for Delphi (Embarcadero / CodeGear / Borland).

YuNetSurf is a HTML5 parser and tree builder with CSS3 tokeniser, parser, and selection engine for Delphi (Embarcadero / CodeGear / Borland).
HTML Parser and Tree Builder

Parse HTML, good and bad.
HTML5 tokeniser with SAX-style events.
Flexible tree builder API for custom DOM implementations.
Readily provided HTML5 parser classes convert HTML documents into DOM trees:
Simple DOM tree: Fast and efficient.
LibXml2 tree: Fully compatible with LibXml2 functions, including XPATH and LibXslt transformation.
XDOM tree: Feasability study limited by XDOM restrictions.
Fast, efficient, and low memory usage.

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

Converts Java .class files and folders to Delphi/C++ Builder XE5 - XE7 units for Android.
To convert .jar file, rename it to .zip file, unzip it in some folder and then apply javaimport to this folder.

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

Powerful, extensive & flexible component suite for native Excel report & file generation & manipulation for VCL & FireMonkey. It supports for Delphi XE, Delphi XE2, Delphi XE3, Delphi XE4, Delphi XE5, Delphi XE6, Delphi XE7, C++Builder XE2, C++Builder XE3, C++Builder XE4, C++Builder XE5, C++Builder XE6, C++Builder XE7 (Prof/Enterprise/Architect) .

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

WebSocket is a web technology providing for bi-directional, full-duplex communications channels, over a single Transmission Control Protocol (TCP) socket. The WebSocket API is being standardized by the W3C, and the WebSocket protocol has been standardized by the IETF as RFC 6455.

DIZipWriter is a Delphi component to create PKZip-compatible ZIP archives. Archive output is completely stream-based and works with any TStream descendant. DIZipWriter therefore direclty writes to files (TFileStream), memory (TMemoryStream), or even database BLOBs (TBlobStream). Convenience functions to work files and file based archives are available.