The United Coalition of Reason organizes local nontheistic groups into coalitions and then conducts campaigns aimed at raising their visibility. Jason Heap is national director.

The Stiefel Freethought Foundation provides strategic and financial assistance to the freethought movement. The foundation strives to gain respect for freethinkers and ensure total separation of church and state. Todd Stiefel of Raleigh, N.C., is founder and president.

The Robert Green Ingersoll Birthplace Museum in Dresden, N.Y., is described as America’s only freethought museum. It tells the story of the noted 19th-century agnostic orator, including his most famous speech, “Ghosts.”

Project Reason is a nonprofit foundation dedicated to promoting secular values and scientific knowledge. Sam Harris is co-founder and chairman. Contact through the website.

The LGBT Humanist Council is a project of the American Humanist Association. It provides support to LGBT humanists in coming out and serves as a forum for exchanging ideas.

The Institute for the Study of Secularism in Society and Culture strives to foster understanding of the role of secular values and the process of secularization in today’s society. The nonpartisan, multidisciplinary institute is based at Trinity College in Hartford, Conn., and is part of the college’s Program on Public Values. Barry Kosmin is director.

The Humanist Society certifies humanist celebrants. It’s based in Washington, D.C. Sarah Ameigh is communications and policy assistant.

The Humanist Institute explores humanist values and trains future leaders. Its seminars are held primarily in New York City and Washington, D.C. Kendyl R. Gibbons and Carol Wintermute are co-deans of the institute. Contact through the website.

FreeThoughtAction aims to spread the message of rational thought through billboards and other means and thereby grow the ranks of the freethought community.