Free online vocational training is available from Texas A&M AgriLife Extension, LatitudeU and Alison.com. Though all have free courses, some of these institutions require the student to pay a fee to receive credit or certification. Some of these websites also require a personal student account.
Free online courses from Texas A&M AgriLife Extension include Abusive Head Trauma (Shaken Baby Syndrome): A Guide for Child Care Providers; Basic First Aid: Protecting the Well-Being of the Children in Your Care; Understanding the Dates on Food Labels; Farmers' Market Consumer/Shoppers: What to Look For; and Food Safety in the Classroom. The individual course entries list whether the certificates and courses are free, and how many credit hours accompany each one.
Free online vocational courses include Business Models and Strategy, 12 Keys to Building a Successful Startup, Intelligent Venture Evolution -- Summary, Clinical Data Management, and Copyright Basics.
Alison.com offers a wide range of courses on topics including business and enterprise skills, health and safety compliance, financial and economic literacy, personal development and schools curriculum. The courses are free, but new students either need to create a website account with Alison, or sign in with their Facebook, Google, LinkedIn or Yahoo account information.