DigStack is a collaborative whiteboard without the learning curve. Invite anybody to collaborate by simply sharing a link to your board, these 'day passes' allow you to easily collaborate with people outside of your organization.

On the whiteboard you'll find just the right features to host an effective brainstorm or collaborative meeting with times, voting, emoji's and celebrations. You'll then easily export your boards, or keep them around for reference. You can lock your images so they don't distract. Free and unlimited boards for personal use, for startups and for non profits.