The Slack + Atlassian Partnership
Slack and Atlassian have an active Technology Partnership according to www.atlassian.com. There are 1,885 companies in the Slack partner ecosystem and 330 companies in the Atlassian partner ecosystem.
138 companies exist in both ecosystems, representing 7% of the Slack parther ecosystem and 42% of the Atlassian partner ecosystem. Amazon Web Services and Adobe are the largest companies that exist in both ecosystems.