With the announcement that Google is going to be shuttering Jamboard from October 2024 you may well be looking at Jamboard alternatives. There are a lot of online whiteboards out there right now, many of which have plenty more features than Jamboard ever did, but maybe not the sheer ease of use.
For me, the ease of collaboration was the key to Jamboard, with the ability to just throw a jamboard link into an online chat or email and have students or colleagues collaborating in the same space instantly, with no requirement to log in to anything.
Read more here: https://www.whiteboardblog.co.uk/2023/09/alternatives-to-google-jamboard/
Jamboard alternatives:
https://www.figma.com/figjam/
https://docs.google.com/presentation
https://miro.com/
https://lucidspark.com/
https://www.kamiapp.com/
https://www.whiteboard.chat/