curlhs (hackage): Package curlhs provides a mid-level Haskell interface to libcurl, the multiprotocol file transfer library which powers the popular tool curl (please see http://curl.haxx.se/ for more info about curl and libcurl). As described on the libcurl project site:  libcurl is a free and easy-to-use client-side URL transfer library,        supporting DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP,  LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET and TFTP.   libcurl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading,     HTTP form based upload, proxies, cookies, user+password authentication     (Basic, Digest, NTLM, Negotiate, Kerberos), file transfer resume,          http proxy tunneling and more!                                              libcurl is highly portable, it builds and works identically on numerous    platforms, including Solaris, NetBSD, FreeBSD, OpenBSD, Darwin, HPUX,      IRIX, AIX, Tru64, Linux, UnixWare, HURD, Windows, Amiga, OS/2, BeOs,    Mac OS X, Ultrix, QNX, OpenVMS, RISC OS, Novell NetWare, DOS and more...    libcurl is free, thread-safe, IPv6 compatible, feature rich, well          supported, fast, thoroughly documented and is already used by many         known, big and successful companies and numerous applications.              More information about curlhs, such as tutorials or examples, may be found in the documentation section.  Package is distributed under the ISC License (MIT/BSD-style, see LICENSE file for details).
Keywords: library|network