Mobilizers in the Philippines and South Africa have been using Didasko’s online courses to mobilize people during COVID lockdown. They advocate via social media, then each person enrolls on Didasko and works through the course material. Then they meet through WhatsApp and Zoom to discuss and share. You could do the same. Read more here: https://www.dasko.org/courses/individuals-or-groups
I don’t see any registration fee or course charge?