- 20.1.
webbrowser— Convenient Web-browser controller - 20.2.
cgi— Common Gateway Interface support - 20.3.
cgitb— Traceback manager for CGI scripts - 20.4.
wsgiref— WSGI Utilities and Reference Implementation - 20.5.
urllib— Open arbitrary resources by URL - 20.6.
urllib2— extensible library for opening URLs - 20.7.
httplib— HTTP protocol client - 20.8.
ftplib— FTP protocol client - 20.9.
poplib— POP3 protocol client - 20.10.
imaplib— IMAP4 protocol client - 20.11.
nntplib— NNTP protocol client - 20.12.
smtplib— SMTP protocol client - 20.13.
smtpd— SMTP Server - 20.14.
telnetlib— Telnet client - 20.15.
uuid— UUID objects according to RFC 4122 - 20.16.
urlparse— Parse URLs into components - 20.17.
SocketServer— A framework for network servers - 20.18.
BaseHTTPServer— Basic HTTP server - 20.19.
SimpleHTTPServer— Simple HTTP request handler - 20.20.
CGIHTTPServer— CGI-capable HTTP request handler - 20.21.
cookielib— Cookie handling for HTTP clients - 20.22.
Cookie— HTTP state management - 20.23.
xmlrpclib— XML-RPC client access - 20.24.
SimpleXMLRPCServer— Basic XML-RPC server - 20.25.
DocXMLRPCServer— Self-documenting XML-RPC server