LICENSE-MIXING: refreshed

docs/LICENSE-MIXING

@@ -30,20 +30,20 @@ OpenSSL http://www.openssl.org/source/license.html
         are not allowed to ship binaries that link with OpenSSL that includes
         GPL code (unless that specific GPL code includes an exception for
         OpenSSL - a habit that is growing more and more common). If OpenSSL's
-        licensing is a problem for you, consider using GnuTLS or yassl
-        instead.
+        licensing is a problem for you, consider using another TLS library.
 
 GnuTLS  http://www.gnutls.org/
 
         (May be used for SSL/TLS support) Uses the LGPL[3] license. If this is
-        a problem for you, consider using OpenSSL instead. Also note that
+        a problem for you, consider using another TLS library. Also note that
         GnuTLS itself depends on and uses other libs (libgcrypt and
         libgpg-error) and they too are LGPL- or GPL-licensed.
 
-yassl   http://www.yassl.com/
+WolfSSL   http://www.wolfssl.com/
 
-        (May be used for SSL/TLS support) Uses the GPL[1] license. If this is
-        a problem for you, consider using OpenSSL or GnuTLS instead.
+        (May be used for SSL/TLS support) Uses the GPL[1] license or a
+        propietary license. If this is a problem for you, consider using
+        another TLS library.
 
 NSS     http://www.mozilla.org/projects/security/pki/nss/
 
@@ -57,6 +57,22 @@ axTLS   http://axtls.sourceforge.net/
 
         (May be used for SSL/TLS support) Uses a Modified BSD-style license.
 
+mbedTLS https://tls.mbed.org/
+
+        (May be used for SSL/TLS support) Uses the GPL[1] license or a
+        propietary license. If this is a problem for you, consider using
+        another TLS library.
+
+BoringSSL https://boringssl.googlesource.com/
+
+        (May be used for SSL/TLS support) As an OpenSSL fork, it has the same
+        license as that.
+
+libressl http://www.libressl.org/
+
+        (May be used for SSL/TLS support) As an OpenSSL fork, it has the same
+        license as that.
+
 c-ares  http://daniel.haxx.se/projects/c-ares/license.html
 
         (Used for asynchronous name resolves) Uses an MIT license that is very