With today’s announcement from Atlassian that it was selling to Slack the IP assets of its two enterprise communications tools, HipChat and Stride, it closes the book on one of the earliest competitors in the modern enterprise chat space. It also was a clear signal that Slack is not afraid to take on its giant competitors by forming key alliances.

That the announcement came from Slack co-founder and CEO Stewart Butterfield on Twitter only exacerbated that fact. Atlassian has a set of popular developer tools like Jira, Confluence and Bitbucket. At this point, HipChat and Stride had really become superfluous to the company and they sold the IP to their competitor.

Not only is Slack buying the assets and Atlassian is effectively shutting down these products, Atlassian is also investing in Slack, a move that shows it’s throwing its financial weight behind the company, as well, and forming an alliance with them.

Slack has been burning it up since in launched in 2014 with just 16,000 daily active users. At last count, in May, the company was reporting 8 million active users, 3 million of which were paid. That’s up from 6 million DAUs and 2 million paid users in September 2017. At the time, the company was reporting $200 million in annual recurring revenue. It’s a fair bet with the number of paid users growing by one-third at last count, that revenue number has increased significantly, as well.

Slack and products of its ilk like Workplace by Facebook, Google Hangouts and Microsoft Teams are trying to revolutionize the way we communicate and collaborate inside organizations….

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