Winsoft WinInet Component Suite 4.2 for Delphi/C++ Builder 5 - 10.4 Full Source

Delphi and C++ Builder components to enable applications interact
with FTP, and HTTP/HTTPS protocols to access Internet resources.

Features:

FTP, HTTP and HTTPS protocols supported
well suited for accessing REST services
uses standard Microsoft WinINet API
available for Delphi/C++ Builder 5 - 10.4 and Lazarus 2.0.8
source code included in registered version
royalty free distribution