What are some alternatives?
When comparing Sketchboard.io and IPEVO Annotator, you can also consider the following products
Walling - Walling is your visual space to capture ideas and organize projects.
Miro - Scalable, secure, cross-device and enterprise-ready team collaboration tool for distributed teams. Join 2M+ users & 8000+ teams from around the world.
Jamboard - Interactive Business Whiteboard | G Suite
Stormboard - Transform your meetings company-wide with Stormboard's innovative digital workspace!
DrawAttention - A whiteboard for you laptop lid
Limnu - Sketch, share and collaborate with your team