There are many websites that provide information about gift planning.
International Association of Advisors in Philanthropy
An association of professional advisors and nonprofit professionals who provide monthly webinars on philanthropic planning topics.
American Council on Gift Annuities
This organization sets gift annuity rates followed by most charities who issue Charitable Gift Annuities.
Planned Giving Design Center
A free website offering news, research, articles, case studies and technical reports all related to philanthropic planning.