Below is a cross-section of the organizations that have taken classes with OSTraining:

International and U.S. Government Agencies

  • United Nations
  • World Bank
  • International Finance Corporation
  • African Union
  • The White House
  • United States Department of Commerce
  • United States Department of Education
  • United States Department of Transportion
  • United States Department of Energy
  • United States Department of Agriculture
  • United States Department of Defense
  • United States Department of Veterans Affairs
  • United States Department of Justice
  • United States Department of Health and Human Services
  • United States House of Representatives
  • United States National Archives and Records Administration
  • United States Environmental Protection Agency
  • The United States Social Security Administration
  • National Endowment for the Humanities
  • Federal Trade Commission
  • Federal Communications Commission
  • Centers for Disease Control and Prevention
  • Peace Corps

Higher Education

  • Harvard
  • Yale
  • Princeton
  • Cornell
  • Rutgers
  • Penn State
  • George Washington University
  • Massachusetts Institute of Technology (MIT)
  • University of Massachusetts
  • University of Maryland
  • University of Michigan
  • University of Pennsylvania
  • University of Illinois
  • University of Georgia
  • University of Oregon
  • Georgetown University
  • City University of New York
  • Emory University
  • Georgia Tech
  • Boston University
  • Columbia University


  • Apple
  • Hewlett-Packard
  • Intuit
  • IBM
  • Oracle
  • Pfizer
  • REI
  • Computer Sciences Corporation
  • Verizon Wireless
  • Whole Foods
  • Coca Cola
  • Time Magazine
  • Turner Broadcasting
  • National Association of Realtors
  • Corus Group
  • Unilever
  • Abraxis Bioscience
  • Playboy Enterprises

Tourism and Entertainment

  • Baltimore Washington International Airport
  • Dow Hotel Company
  • The Lincoln Center in New York
  • Whistler Film Festival
  • Telluride Ski Resort
  • Boston Philharmonic
  • From the Top
  • American Public Media
  • National Public Radio

Local Government

  • US District Courts in Texas
  • US District Courts in Georgia
  • City of Fort Lauderdale, Florida
  • Arlington County, Virginia
  • Hernando County, Florida
  • City of Kyle, Texas
  • Miami Township, Ohio
  • Rock County, Wisconsin
  • Township of Langley, British Columbia

K-12 Schools

  • Edmonton Public Schools, Ontario
  • Huntsville Independent School District, Texas
  • Manhattan Country School, New York
  • Pinellas County Schools, Florida
  • Baldwin-Whitehall School Distric, Pennsylvania
  • Bellefontaine City Schools, Ohio
  • Lynwood Unified School District, Los Angeles
  • Robinson Independent School District, Texas
  • Sumner County School District, Tennessee
  • Hamilton School District, Wisconsin

Business Organizations

  • National Black Chamber of Commerce
  • American Academy of Physician Assistants
  • Oshawa Chamber of Commerce

Non-Profit Organizations

  • United Way
  • Recycle Bank
  • Arts and Humanities Reasearch Council
  • Downs Syndrome Association
  • Skin Cancer Foundation
  • Kern Family Foundation
  • Foundation For the Future
  • Junior Statesmen Foundation
  • Southwest Foundation for Biomedical Research
  • National Council of Juvenile and Family Court Judges

Phone: 678-830-2168. Our business hours are Monday through Friday from 9 a.m. to 5 p.m. US Eastern Time.

Address: Open Source Training LLC, PO Box 907895, Gainesville, GA 30501, USA.

E-mail: Please fill out the form below and we'll get back to you within a single business day. Or you can email us at

We teach people how to build great websites, focusing on WordPress, Joomla and Drupal.

About OSTraining

Online Training

Over 20,000 students have taken the online version of our training. The online training covers Joomla, Drupal, WordPress, Coding and SEO. What really makes our training stand out from other sites is the fanatical support ... our team answers every question that our students ask.
onsite training

Onsite Training

We provide onsite training for some of the largest organizations in the world to teach open source to their staff. Clients include Apple, Pfizer, multiple US government agencies and many universities.
classroom training

Classroom Training

We provide classroom training and have taught more than 100 classes every year since 2008. Our teachers have taught at 5 DrupalCons, plus JoomlaDays, DrupalCamps and WordCamps around the world.
train everyone


We wrote Joomla Explained and Drupal 7 Explained. They are the best-selling and best-reviewed books on Joomla and Drupal. We will also publish WordPress Explained and Joomla 3 Explained in 2014.

The OSWay

Our mission is to "explain websites so clearly that anyone can understand".

The OSWay holds the five core values that help us carry out that mission.




We believe that personal support and the human touch is a vital part of learning.


Our training does not use jargon. We teach using plain English.


We provide practical training that can be applied to the real world.


We provide clearly-defined processes to help simplify complex tasks.


We believe there is no-one who cannot learn.