Free accounts are available at https://www.instructure.com/
Here are some resources to get you started on your learning management system journey with Canvas:
- Free vs paid Canvas breakdown
- Free account demo a high-level overview of some key features
- Instructure Community a great place to find guides, Q & A, groups and other resources
- Video Guides step by step feature instructions in case you need additional tutorials
- Free account FAQ
- Using the Course home page