Skia is a great open source library for drawing 2D Text, Geometries, Images, focused on accurate, high quality and high performance rendering, which provides common APIs that work across a variety of hardware and software platforms.

Components for preparing and burning images to CD, DVD, and Blu-ray optical storage media.

Uses standard Windows Image Mastering API 2
Supports Delphi/C++ Builder XE7 - 11 FireMonkey applications
Supports Windows 32/64-bits
Source code included in registered version
Royalty free distribution

Components for preparing and burning images to CD, DVD, and Blu-ray optical storage media.

Features:

Uses standard Windows Image Mastering API 2
Available for Delphi/C++ Builder 6 - 11 and Lazarus 2.0.12
Source code included in registered version
Royalty free distribution in applications

Delphi camera component for macOS.

Uses AVFoundation framework
Available for Delphi 10.3 - 11
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder camera component for Windows.

Uses DirectShow 9 API
Supports Windows 32 and Windows 64
Available for Delphi/C++ Builder 7 - 11 and Lazarus 2.0.12
Source code of component is included in registered version
Royalty free distribution

NextGrid is a powerful Delphi/C++ Builder Grid. It is very easy to use it in design-time (with intuitive Columns Editor) and in run-time with easy to understand methods and properties. NextGrid have much more features than standard Delphi StringGrid or ListView, attractive look (VCL Styles, Windows 7/8/10 & MS Office 2016 themes support), it is extremely fast (quick sorting, data manipulation, drawing...).

Delphi component for serial communication for macOS.

Communication with devices connected to serial port
Available for Delphi 10.3 - 11
Source code included in registered version
Royalty free distribution in applications

Delphi and C++ Builder serial communication library for USB serial devices for Android.

Features

Uses UsbSerial library
Supports CP210x, CP2130, CDC, FTDI, PL2303 and CH34x devices
No special root access privileges needed
Available for Delphi/C++ Builder 10 - 11
Source code included in registered 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 - 11 and Lazarus 2.0.12
Source code included in registered version
Royalty free distribution in applications

The ResizeKit is a form resizing component that makes applications size and screen resolution independent in one easy step. Simply attach the ResizeKit to your form and automatically resize any or all controls and fonts without writing a single line of code. By setting a few simple properties or by hooking into the ExitResize event, you can easily customize the resizing process to work with nearly all types of applications. The ResizeKit can even resize most third party controls. Use the ResizeKit from the first day on new programs and of course on established programs without changing the program design or code. The ResizeKit license is royalty-free for application development and royalty-free for runtime applications.

SynEdit is a syntax highlighting edit control, not based on the Windows common controls. SynEdit is compatible with both Delphi and C++ Builder.

SQLite Data Access Components (LiteDAC) is a library of components that provides native connectivity to SQLite from Delphi and C++Builder including Community Edition, as well as Lazarus (and Free Pascal) on Windows, Linux, macOS, iOS, and Android for both 32-bit and 64-bit platforms. LiteDAC is designed for programmers to develop truly cross-platform desktop and mobile SQLite database applications with no need to deploy any additional libraries.

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

uses Tesseract OCR engine and Leptonica image processing library
supports Windows, macOS, iOS and Android
available for Delphi/C++ Builder XE2 - 11
source code included in registered version
royalty free distribution in applications

PostgreSQL Data Access Components (PgDAC) is a library of components that provides native connectivity to PostgreSQL from Delphi and C++Builder including Community Edition, as well as Lazarus (and Free Pascal) on Windows, Linux, macOS, iOS, and Android for both 32-bit and 64-bit platforms. PgDAC is designed to help programmers develop really lightweight, faster and cleaner PostgreSQL database applications without deploying any additional libraries.