and its dependent libraries, are distributed under generous, freedom-respecting licenses approved by the <a href="http://opensource.org">Open Source Initiative</a>.</p>
<p>In particular, the licenses for Stan and its dependent libraries have no “copyleft” provisions requiring applications of Stan to be open source if they are redistributed.</p>
<p>This chapter specifies the licenses for the libraries on which Stan’s math library, language, and algorithms depend. The last tool mentioned, Google Test, i