Computerworld - https://www.computerworld.com/article/3289346/collaboration/microsoft-takes-on-slack-with-a-free-version-of-teams.html#tk.rss_all
In another sign of how heated the collaboration software market is getting, Microsoft has launched a free version of Teams, offering access to the group messaging and collaboration app without requiring an Office 365 subscription.
Teams was launched as a rival to popular team chat platform Slack – which already offers a free version – at the start of last year; Microsoft bundled it with other Office 365 apps such as Yammer, One Drive and other Office tools.
[ Further reading: Chat happens: Your guide to 11 group-chat services ]
As of March, some 200,000 organizations were using the chat app – up