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.
http://www.lava.net/~hcssc/

Secular Web, The - Separation of Church and State
Articles on Church / State separation from Secular Web Library.
http://www.infidels.org/library/modern/church-state/

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.
http://www.libertymagazine.org/

Separation of Church and State - The Constitutional Principle
Discusses the legal, historical and political/social evidence in support of church-state separation.
http://members.tripod.com/~candst/index.html

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.
http://www.j21c.org/

Torquemada, the Spanish Inquisition and Today's American Inquisition
Compares elements of the American Christian Right to the Spanish Inquisition.
http://internettrash.com/users/torquemada

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.
http://www.citizensproject.org/

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.
http://www.sunnetworks.net/~ggarman/

Separation of Church and State Homepage (mirror)
Re-publication of a popular church/state site formerly housed at the University of Louisville.
http://members.tripod.com/~candst/tnpintro.htm

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.
http://www.loudoun.net/mainstream/

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.
http://religion.aynrand.org/

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.
http://www.ffrf.org/

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.
http://www.pfaw.org/pfaw/general/default.aspx?oid=111

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.
http://www.adl.org/main_religious_freedom.asp

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.
http://www.firstamendmentcenter.org/rel_liberty/index.aspx

No to Political Islam, Yes to Human Rights
An online petition to oppose Political Islam, its agenda, and its barbaric interpretation of Sharia law.
http://www.ntpi.org/

First Amendment, à la Carte: Freedom of Religion is Freedom From!
Lists several news events that raise the church-state issue, asks if government should be involved in religious affairs, and comments on the US Constitution.
http://www.lacarte.org/freedom/thought/1st/

Remove "In God We Trust" from American Currency
A petition for the U.S. treasury to take out "In God We Trust" on US money.
http://www.petitiononline.com/igwtrfc/petition.html

Alliance for the Separation of School and State
Offers essays and a petition to sign.
http://www.sepschool.org/

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.
http://atheism.about.com/library/FAQs/cs/blcsm_index.htm

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.
http://www.tylwythteg.com/enemies/enemies.html

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.
http://www.tfn.org/

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.
http://www.bjconline.org/

Churchwatch
A site dedicated to countering the creeping menace of religion in American politics.
http://www.geocities.com/CapitolHill/Congress/8630/