About.com - Myths about Church/State Separation - Many common myths about the separation of church and state are explained and refuted. Includes misconceptions about court decisions, school prayer, and the US Constitution.
America's Real Religion, by Gene Garman - Provides primary sources for quotations from Benjamin Franklin, George Washington, Thomas Paine, John Adams, Thomas Jefferson, James Madison, and Abraham Lincoln regarding their personal religion and regarding religion's proper relationship to government.
Anti-Defamation League: Religious Freedom - News headlines, position papers, and other resources on issues such as the separation of church and state, the Istook Amendment, and religious freedom in the workplace.
Baptist Joint Committee for Religious Liberty - Includes mission statement, issues, weblog and events calendar, as well as information about supporting bodies and links to resources about church-state separation.
Churchwatch - A site dedicated to countering the creeping menace of religion in American politics.
Citizens Project - A grassroots organization in the Pikes Peak [Colorado] region dedicated to upholding the traditional American values of pluralism, freedom of religion and separation of church and state.
First Amendment Center: Religious Liberty - Features a number of original publications, a history of religious liberty and of religion in public life, and commentary on recent news items.
Freedom From Religion Foundation, Inc. - National organization of freethinkers (atheists, agnostics) in Madison, Wisconsin, working to keep state and church separate and to educate the public about the views of nontheists.
Hawaii Citizens for the Separation of State and Church - Defending the First Amendment principle that government must never, by intent or consequence, promote religion or demonstrate any preference for one religion over another.
Jefferson 21st Century Institute - Dedicated to the separation of religion and government. Focuses primarily on constitutionally questionable actions by, or on behalf of, small religious movements.
Liberty Magazine - Dedicated to the preservation of the separation of church and state with an emphasis on the Establishment and Free Exercise clauses of the US Constitution. Online version includes archived versions beginning with the May/June 1997 issue.
Mainstream Loudoun - A Voice for Moderation - A group of citizens who wish to preserve religious and personal freedom, to maintain the separation of church and state, and to counter the imposition through public policy of one religious tradition over others.
People For the American Way: Religious Freedom - Civil libertarian organization opposing the political activities of the religious right in the U.S. and advocating strict separation of church and state. Talking points and position papers on current legislation and events.
Religion vs. Morality - The Ayn Rand Institute's views on separation, with quotes from the founding fathers of the US, and commentary on some related issues such as abortion and evolution.
Religious Freedom Coalition of the Southeast (RFCSE) - A non-profit, public interest association created to preserve, protect and defend the right to worship as they wish, roll back Religious Right abuses, root out religious and political fraud and corruption, and champion causes which further religious freedom.
Texas Freedom Network - Advances an agenda of religious freedom and individual liberties primarily to counter efforts of conservative political and religious groups. News and issues information, particularly for the US state of Texas.