Bless Every Home - A fantastic online tool to help you and your congregation map out your neighborhoods and pray for your neighbors.
The Exchange: A Blog by Ed Stetzer
Church Planting Supersite - a wealth of church resource links indexed by topic
"My Top Ten Church Planting Tips" by Aaron Damiante
iDisciple - Church resources, articles, videos, sermons from leaders such as Andy Stanley, Ravi Zacharias, Tony Evans, Louie Giglio. Accounts are free for pastors.
Preach2Engage - Free monthly sermon outlines with full media elements.
Relevant Magazine - Life, God, Culture & Current Events
YouVersion - an excellent Bible app which includes reading plans
Bible Gateway - Online Bible with virtually every translation in most languages
Life Journal - an excellent tool by Wayne Cordeiro for daily devotions
Outreach.com - Outreach products, banners, print materials, etc.
The Arda (Association of Religious Data Archives): At your fingertips, a wealth of demographic information about church affiliation and more in your city.
American Values Atlas - Excellent Demographics information