Here you will find many different sites that offer free online learning opportunities. There are no obligations to complete online courses so look for topics of interest and explore everything that they have to offer. Some offer opportunities to interact with others in the course through forums.
Duolingo
This is a fun and free language learning tool that you can use from any Internet browser or through their mobile app. Choose from approximately 30 different languages.
TechBoomers
Includes free courses that cover everyday technology tools, like Google and Facetime.
edX
You can follow classes for free on edX, a Massive Open Online Course (MOOC) provider, founded and governed by MIT and Harvard. McGill University is a member of edX.
Coursera
Founded in 2012 by computer science professors from Stanford University, Coursera now includes content from over 150 partners (Yale, Johns Hopkins, University of Edinburgh, etc.). For example, you may be interested in this Indigenous Canada course from the University of Alberta.
FUN-MOOC
French language Massive Open Online Courses (MOOCs), from France and worldwide partners.
FutureLearn
With the exception of some premium courses, most courses are offered with an option to learn for free. This is a great place to come if you are looking for short courses on topics, such as the anatomy of your abdomen, the power of podcasting, or a virtual tour of ancient Rome.
Free online course from the London School of Hygiene & Tropical Medicine: COVID-19: Tackling the Novel Coronavirus
Khan Academy
Khan Academy is a collection of video tutorials that are completely free to watch. There is no need to create a login but doing so allows you to save where you left off. What began as mathematics lessons, has expanded to videos on science, engineering, arts and humanities.
MIT OpenCourseWare
Massachusetts Institute of Technology has made it their mission to provide their courseware, lectures and assessments, freely available online. Browse their catalog of courses by topic and limit to video or audio to find classes with lectures that you can follow.