What are some alternatives?
When comparing Sketchboard.io and Jamboard, you can also consider the following products
Walling - Walling is your visual space to capture ideas and organize projects.
Samsung Flip - A 55" digital white board from Samsung
DrawAttention - A whiteboard for you laptop lid
Surface Studio - A brilliant screen for your ideas, from Microsoft
RealtimeBoard - RealtimeBoard is an online collaboration software created as a team collaboration and online brainstorming tool. It's super easy to use & free!
Miro - Scalable, secure, cross-device and enterprise-ready team collaboration tool for distributed teams. Join 2M+ users & 8000+ teams from around the world.