Caleb Project
American scheme for training and encouraging world evangelism.
http://www.calebproject.org/

US Center for World Mission
Training the Body of Christ to reach people in new frontiers.
http://www.uscwm.org/

The National Short Term Missions Conference
An annual conference to promote the education and networking of those interested in pursuing missions as a ministry full time, part time or only for a short term team.
http://www.nstmc.org/

School of Lifestyle Evangelism
Introduction to Brett Chaffin's ministry.
http://www.lifestyleevangelism.com/

Evangelism Toolbox
Multilingual database of resources to help you share your faith in Christ. Offered by top evangelical organizations.
http://www.evangelismtoolbox.com/

Youth Leader Connection
Iowa based group revitalizing youth ministries through Scripture, structure and support.
http://www.youthleader.org/

Latter Rain
Charismatic evangelistic group offering training in child evangelism, and missions.
http://www.latter-rain.org/

Mercy Street Ministries
Take a free course in street witnessing and they will mail you a free certificate in Evangelism Ministry.
http://www.mercystreet.com/

WorldChangers Radio -- 5 Clicks to Sharing Your Faith
Learn how to share your faith with confidence! Campus Crusade training to share Christ.
http://www.5clicks.com/

Go Tell Evangelism
Information on seminars and courses to teach Christians how to effectively share the gospel. Also includes training outline, articles, and Bible study resources.
http://www.gotell.gracenet.org/

Evangelism
Ray Comfort teaches how to use the ten commandments in evangelism, an other advice on how to effectively witness.
http://www.smithworks.org/stephen/evangelism/

Rhema: Education
Kenneth Hagin's Word of Faith teaching and evangelism training base. Information on the RHEMA Bible Training School, Correspondence Bible School, and Institute of Biblical Studies.
http://www.rhema.org/education/

Evangelism and Church Planting
Includes a guide to basic evangelism, answers to common questions about Christianity, article on evangelizing like Jesus, and how to write an effective testimony.
http://www.christian-faith.com/html/page/evangelism

The Navigators (U.S.)
A world-wide organization discipling and training Christians to evangelize.
http://www.navigators.org/us/

YWAM Training
Short and long term evangelism and missions training for youths.
http://www.ywam.org/contents/get_tra_introtraining.htm

The Gathering: Witches are Real People Too
A study on American neo-paganism, explaining key ideas and perspectives and advocating a tolerant and understanding attitude. Concludes with an explanation of how to best present the Gospel to Wiccans and other neo-pagans.
http://www.salemgathering.com/Gathering_Web/NewPages/pagan_study_intro.html

Layman Evangelism
Online training programs (require the user to buy certain materials), tracts to print out, recommended books, and other resources for the lay evangelist.
http://www.layevangelism.com/