Libevent is available for use under the following license, commonly known

as the 3-clause (or "modified") BSD license:

==============================

Copyright (c) 2000-2007 Niels Provos <[email protected]>

Copyright (c) 2007-2012 Niels Provos and Nick Mathewson

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

==============================

Portions of Libevent are based on works by others, also made available by

them under the three-clause BSD license above.  The copyright notices are

available in the corresponding source files; the license is as above.  Here's

a list:

log.c:

   Copyright (c) 2000 Dug Song <[email protected]>

   Copyright (c) 1993 The Regents of the University of California.

strlcpy.c:

   Copyright (c) 1998 Todd C. Miller <[email protected]>

win32select.c:

   Copyright (c) 2003 Michael A. Davis <[email protected]>

evport.c:

   Copyright (c) 2007 Sun Microsystems

ht-internal.h:

   Copyright (c) 2002 Christopher Clark

minheap-internal.h:

   Copyright (c) 2006 Maxim Yegorushkin <[email protected]>

==============================

The arc4module is available under the following, sometimes called the

"OpenBSD" license:

   Copyright (c) 1996, David Mazieres <[email protected]>

   Copyright (c) 2008, Damien Miller <[email protected]>

   Permission to use, copy, modify, and distribute this software for any

   purpose with or without fee is hereby granted, provided that the above

   copyright notice and this permission notice appear in all copies.

   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.