VDDK contains the following open source components, with license types indicated:

Boost (BSD style license)

Curl (MIT/X derivative license)

Expat (BSD style license)

FreeBSD (BSD license)

ICU, International Components for Unicode (BSD style license)

LibXML2 (MIT style license)

OpenLDAP (OpenLDAP v 2.8 license)

OpenSSL (OpenSSL license)

Zlib (BSD license)

These open source components have the GNU library general public license:

GetText (LGPL2.0)

Glib (LGPL 2.0)

LibFuse (LGPL2.0)

LibIconv (LGPL2.0)