REST

IPWorks is a comprehensive framework of easy-to-use components for Internet development, including FTP, HTTP, SMTP, POP, IMAP, LDAP, DNS, SMS, SOAP, etc. (do not install if you have the Delphi edition)

TMS FMX Cloud Pack is a Delphi and C++Builder component library to seamlessly use all major cloud services such as Facebook, Twitter, OneDrive, Google Drive, Amazon cloud drive, LinkedIn, Paypal, Trello, Youtube and many more …

ReportBuilder is the premier reporting tool for Delphi. Whether you need to create simple reports quickly or deliver the most advanced reporting solutions, ReportBuilder is the tool of choice among Delphi developers.

Glen Kleidon's Arpy Web Application Framework for building Node/Express like web applications in Delphi.

The RAD Server Field Service Industry Template provides an end-to-end field service application template for routing appointments, managing parts, and user administration. It is made up of a REST server module, a desktop client, and a cross platform mobile client.