by /n software inc. in Libraries for C++Builder
IPWorks is a comprehensive framework of easy-to-use components for Internet development, including FTP, HTTP, SMTP, POP, IMAP, LDAP, DNS, SMS, SOAP, etc.
by Clever Components in Components for RAD Studio
Clever Internet Suite is a Delphi and C++Builder library for Internet communication protocols. It provides support for HTTP, FTP, SMTP, POP, IMAP, SFTP (SSH), DKIM, OAUTH, SOAP, WebDAV, complete client and server solutions for supported protocols, digital signatures and encryption.