Developer beNative over on GitHub has a project called Concepts which is a massive collection of Delphi modular demos featuring over twenty different language features, design patterns and some interresting frameworks, and components. A copy of all of the libraries the Concepts project depends on are included to reduce the hassle of installing them separately.

The modular demos include demonstrations of the following libraries:

Head over and download the full source code for the Concepts modular demos project for Delphi and take a look.

https://community.embarcadero.com/blogs/entry/massive-collection-of-design-patterns-frameworks-components-and-language-features-for-delphi

Massive Collection Of Design Patterns, Frameworks, Components, And Language Features For Delphi