Developer website: n software
IP*Works! for Mac OS X is a comprehensive suite of class libraries including everything you need to write powerful Internet enabled applications. IP*Works! includes more than 30 royalty-free libraries implementing Internet Protocols such as: HTTP, FTP, SOAP, SMTP, POP, IMAP, SNMP, NNTP, XML, MIME, Telnet, etc.
Mac OS X 10.1 or later