TinyXML-2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.

Cross platform C++ 11 NMEA Parser and GPS Framework.
NemaTode is yet another lightweight generic NMEA parser.
It also comes with a GPS data interface to handle the most
popular GPS NMEA sentences.

Features

xUnit test framework: \ Googletest is based on the xUnit testing framework, a popular architecture for unit testing
Test discovery: \ Googletest automatically discovers and runs your tests, eliminating the need to manually register your tests
Rich set of assertions: \ Googletest provides a variety of assertions, such as equality, inequality, exceptions, and more, making it easy to test your code

This is Expat, a C library for parsing XML, started by James Clark in 1997.
Expat is a stream-oriented XML parser.
This means that you register handlers with the parser before starting the parse.

EasyBMP is a simple, cross-platform, open source (revised BSD) C++ library
designed for easily reading, writing, and modifying Windows bitmap (BMP) image files.

SmartEffects is an easy-to-use VCL that enables you to create amazing splash screens, forms, controls and image transition effects. Over 50 families of animation and transition effects. Real-time rendering. WYSIWYG editing of animation effects.

ImageKit is a GPU based image processing, graphics rendering framework for Delphi developers. ImageKit hides the details of low-level graphics processing by providing an easy-to-use application programming interface. ImageKit provides dozens of built-in filters. You set up filters by supplying key-value pairs for a filter’s input parameters. The output of one filter can be the input of another, making it possible to chain numerous filters together to create amazing effects. ImageKit VCL is intended for use with:

Delphi XE3 - 12 Athens (32-bit + 64-bit)
C++Builder XE3 - 12 Athens (32-bit + 64-bit)

HTML Component Library is a cross-patform and 100% native HTML rendering library for Delphi and Lazarus that brings all the power of HTML/CSS into desktop and mobile Delphi applications.

TeeChart Pro charting component library offers hundreds of Graph styles in 2D and 3D for data visualization, 56 mathematical, statistical and financial Functions for you to choose from together with an unlimited number of axes and 30 Palette components.

DevExpress VCL components are feature-complete and built for speed regardless of data complexity or size. DevExpress VCL components are reliable and well tested so that mission critical applications behave as expected, each and every time.