This is an Ansible Playbook that installs a standalone version of Mattermost, which is an open-source Slack alternative. This playbook installs Mattermost version 4.3.2 (Team Edition) by default.
Extend and integrate with Mattermost Apps
Powerful apps to help your team do better work, faster. Accelerate your workflows by integrating the tools you use right into Mattermost and reduce context switching.