musl as a whole is licensed under the following standard MIT license:
----------------------------------------------------------------------
-Copyright © 2005-2014 Rich Felker, et al.
+Copyright © 2005-2019 Rich Felker, et al.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
Authors/contributors include:
+A. Wilcox
Alex Dowad
+Alex Suykov
Alexander Monakov
+Andre McCurdy
+Andrew Kelley
Anthony G. Basile
+Aric Belsito
Arvid Picciani
+Bartosz Brachaczek
+Benjamin Peterson
Bobby Bingham
Boris Brezillon
Brent Cook
Chris Spiegel
Clément Vasseur
Daniel Micay
+Daniel Sabogal
+Daurnimator
+David Carlier
+David Edelsohn
Denys Vlasenko
+Dmitry Ivanov
+Dmitry V. Levin
+Drew DeVault
Emil Renner Berthing
+Fangrui Song
Felix Fietkau
Felix Janda
Gianluca Anzolin
Hauke Mehrtens
+He X
Hiltjo Posthuma
Isaac Dunham
Jaydeep Patil
Joakim Sindholt
John Spencer
Josiah Worcester
+Julien Ramseier
Justin Cormack
+Kaarle Ritvanen
Khem Raj
Kylie McClain
+Leah Neukirchen
Luca Barbato
Luka Perkov
M Farkas-Dyck (Strake)
Mahesh Bodapati
+Markus Wichmann
+Masanori Ogino
+Michael Clark
Michael Forney
+Mikhail Kremnyov
Natanael Copa
Nicholas J. Kain
orc
Pascal Cuoq
+Patrick Oppenlander
Petr Hosek
+Petr Skocik
Pierre Carrier
+Reini Urban
Rich Felker
Richard Pennington
+Ryan Fairfax
+Samuel Holland
+Segev Finer
Shiz
sin
Solar Designer
Stefan Kristiansson
+Stefan O'Rear
Szabolcs Nagy
Timo Teräs
Trutz Behn
Valentin Ochs
+Will Dietz
William Haddon
+William Pitcock
Portions of this software are derived from third-party works licensed
under terms compatible with the above MIT license:
Copyright © 2003-2011 David Schultz or
Copyright © 2003-2009 Steven G. Kargl or
Copyright © 2003-2009 Bruce D. Evans or
-Copyright © 2008 Stephen L. Moshier
+Copyright © 2008 Stephen L. Moshier or
+Copyright © 2017-2018 Arm Limited
and labelled as such in comments in the individual source files. All
have been licensed under extremely permissive terms.
The smoothsort implementation (src/stdlib/qsort.c) is Copyright © 2011
Valentin Ochs and is licensed under an MIT-style license.
-The BSD PRNG implementation (src/prng/random.c) and XSI search API
-(src/search/*.c) functions are Copyright © 2011 Szabolcs Nagy and
-licensed under following terms: "Permission to use, copy, modify,
-and/or distribute this code for any purpose with or without fee is
-hereby granted. There is no warranty."
-
The x86_64 port was written by Nicholas J. Kain and is licensed under
the standard MIT terms.