The official website: http://marketcircle.com/daylite/Mac, iPhone, iPad
Some interesting Resources Covering Daylite:
1. Official Blog: http://www.marketcircle.com/blog/
This site seems to have a ton of support, including their own guides and whatnot. It IS a site for managing businesses, however, not yourself.
This is a running list! If you have any sources you'd like to add, please share it below and I will add it to the list!