Asterisk - The Open Source Telephony Project  GIT-master-1f78ee9
External references
File app_festival.c
The Festival Speech Synthesis System - http://www.cstr.ed.ac.uk/projects/festival/
File app_jack.c
http://www.jackaudio.org/
File app_osplookup.c

The OSP Toolkit: http://www.transnexus.com

OpenSSL http://www.openssl.org

File func_curl.c
Depends on the CURL library - http://curl.haxx.se/
File uuid.c
Depends on libuuid, a component of the e2fsprogs package - http://e2fsprogs.sourceforge.net/