These sites are the sources of the content on Add to Faith. Each site provides LDS audio content in MP3 format for iPods, MP3 players, and computers. Some sites also contain videos, pdfs, or other media formats for streaming or download.
Listing of Church sites: https://tech.lds.org/wiki/index.php/Church_Websites
Devotionals (Sep 07 – Jul 05)
Devotionals (Aug 99 – Nov 04)