It's very easy to create a task list on Supernotes, just prepend your task with - [ ] like so:

When a card is in display mode, you can complete task simply by clicking on the box – no need to enter edit mode. A completed task will look like - [X] in edit mode.

Also, once you start sharing cards (as a share page / embed) which contain checkboxes, non-users can also interact with them but the changes will not be saved.

Want to write numbered and bullet lists? Here's how.