http://webevangelism.com - The Internet Evangelism Coalition - training, ideas, sponsor of the Internet Evangelism Day, and great annual "Internet Evangelism Conference" in Chicago every September - I highly recommend the Internet Evangelism Conference.
http://iec.gospelcom.net/otoe/index.php - Internet Evangelism Coalition's Web Evangelism training.
http://whoisjesus.org - The gospel in many languages.
http://gospelcom.net - a leader in online ministry. Their annual GospelCom Conference has been an inspirtation to me.
http://nowtrygod.com - questions and answers about God. Sponsored by Gospelcom.net and the I.E.C.
http://growinginchrist.com - An excelent place to send new believers, sponsored by Campus Crusade for Christ.
http://evangelismtoolbox.com - many evangelism resources.
http://www.digitracts.com/ - online evangelism presentations and resources.
The American Tract Society ( http://www.atstracts.org/ ), The Pocket Testament League ( http://www.pocketpower.org/ ), and The World Home Bible League ( http://www.bibleleague.com/ ) ALL HAVE LOW COST WTNESSING MATERIALS, Great to mail to website visitors...
http://www.everystudent.com/ - For "seeking" college students.
http://cybertracts.net/ and http://fishthe.net/ - have many cyber / online witnessing links and resources.
http://www.christian-web-masters.com/ - Christian Web Master - help and ideas.
http://www.truthmedia.com/ - Web Evangelism / Internet Evangelism training.
http://peggiesplace.com - a good example of what can be done!
Annie's Bee a missionary - http://www.annieshomepage.com/
http://e-vangelism.com - Internet Evangelism Author Andrew Careaga.
http://bible.org - Digital, copywrite free, Bible. Bible Study helps etc.
http://strategicdigitaloutreach.com - Frank Johnson and Dave Dias; a great Web Evangeism Blog.
http://www.newchristian.org.uk/ - Brian Johnson's new believers info.
http://cybermissions.org - John Edmiston's Cyber Mission Training.
http://ie-21stcentury.com/ - Internet Evangelism Conference at Liberty University - DVD and streaming media training available.
http://ourchurch.com -See the "Christian Web Trends" - Paul Steinbruick & others keep you updated on Internet Evangelism Strategies.
http://biblegateway - Add Bible Study resources to your website.
Billy Graham online Spiritual help - http://billygraham.org/SpiritualHelp_Index.asp