A Community Health Maps (CHM) online tutorial is now available. It is a free, self-paced online course from the National Library of Medicine (NLM), which provides guidance on using low cost mapping tools to collect, analyze, and visualize mapping data.The tutorial covers how to create a basic workflow for collecting and mapping field data via step-by-step instructions on how to (1) develop a data collection form, (2) collect field data according to the data collection plan, (3) create online dynamic maps of the data collected, and (4) create static offline publishable maps of field data using desktop software.This course provides continuing education credit (CE), including through the Medical Library Association (MLA), and/or a certificate of completion. For continuing education credits and/or a certificate of completion, please enroll in the course on the free Learning Management System (LMS).