In the team messaging app space, two names dominate: Slack and Atlassian HipChat. For alternatives to Atlassian's messaging products, you can read our roundup of business messaging services. As of July 26, 2018, new teams will not be able to sign up for any of these services.
The companying is discontinuing Hipchat Cloud, Hipchat Data Center, Hipchat Server, and Stride effective Feb. Editors' Note: Atlassian has announced, as part of a new strategic partnership with Slack, that it will no longer offer any business messaging products to consumers.
