A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
TranslatedTinyhttpd is an ultra-lightweight HTTP server of fewer than 500 lines, written by J. David Blackstone in 1999. It is very good for learning and can help us truly understand the essence of server programs. Official website: http://tinyhttpd.sourceforge.net