serf:
serf: The serf library is a high performance C-based HTTP client library
serf: built upon the Apache Portable Runtime (APR) library. Key features:
serf: * multiplexed, asynchronous connections,
serf: * SSL/TLS support, full HTTP pipelining,
serf: * multiple authentication modes (Basic, Digest, Kerberos/NTLM),
serf: * zero-copy support for increased throughput.
serf:
serf: Homepage: http://serf.apache.org/
serf: