Blossom vs Sketchboard for Slack: What are the differences?
What is Blossom? Lean Product Management. For people who love the products they create. A very lightweight agile/lean project management tool.
What is Sketchboard for Slack? Digital team whiteboard for visual communication on Slack. Sketchboard.io is specialised on agile software design. It provides diagramming elements and drawing style that you don't concentrate on details. To get most important out, your idea, not how it looks like.
Blossom and Sketchboard for Slack belong to "Agile Project Management" category of the tech stack.