IPWorks is a comprehensive framework of easy-to-use components for Internet development,
including FTP, HTTP, SMTP, POP, IMAP, LDAP, DNS, SMS, SOAP, etc.

OmniThreadLibrary is a powerful threading library for Delphi. OmniThreadLibrary's main "selling" points (besides the prices, of course ;) are power, simplicity, and openess. With just few lines of code, you can set up multiple threads, send messages between them, process Windows messages and more. OmniThreadLibrary doesn't limit you in any way - if it is not powerfull enough for you, you can ignore any part of its "smartness" and replace it with your own code.

FreeEsVclComponents - a free library of VCL components for Delphi and C++Builder.
There are new controls and components, classes to improve the appearance and to better user experience.
Components has best transparency support, do not flicker.

This is a Delphi library for interacting with the Telegram Bot API.
It provides a set of functions to perform various actions using the
Telegram Bot platform.

JVCL is a library of over 600 Delphi visual and non-visual Delphi/C++Builder components. It supports Delphi/C++Builder 6 and newer.

FireMonkey implementation for Linux
Start build UI Linux apps with Embarcadero Delphi and FmxLinux

Python for Delphi (P4D) is a set of free components that wrap up the Python DLL into Delphi and Lazarus (FPC). They let you easily execute Python scripts, create new Python modules and new Python types. You can create Python extensions as DLLs and much more. P4D provides different levels of functionality:

Low-level access to the python API
High-level bi-directional interaction with Python
Access to Python objects using Delphi custom variants (VarPyth.pas)
Wrapping of Delphi objects for use in python scripts using RTTI (WrapDelphi.pas)
Creating python extension modules with Delphi classes and functions
P4D makes it very easy to use python as a scripting language for Delphi applications. It also comes with an extensive range of demos and tutorials.

Delphi implementation of ChatGPT - an event based component. All you need is an own API key from here: https://platform.openai.com/account/api-keys Copyright © 2023 Ralph Dietrich.

EasyDbMigrator is a database migration library designed for Delphi. It simplifies database evolution and is available in both 32-Bit and 64-Bit versions.