Mattermost

Mattermost Varies with device

Free Open Source Programme for Slack Users

Mattermost is an alternative to Slack that has been created by the Slack community. This has allowed programmers to take all of the best features from Slack and enhance them to create something truly special. The results have been largely impressive and despite a few bugs in the system, this software is fairly intuitive and easy to learn for moderate level computer users. Anyone who has enjoyed using Slack in the past is sure to find that Mattermost is a great alternative that runs even more smoothly than its predecessor. View full description

PROS

  • Docker installation in one-line
  • The ability to self-host

CONS

  • Not fully compatible with Android
  • Can be a bit complicated

Mattermost is an alternative to Slack that has been created by the Slack community. This has allowed programmers to take all of the best features from Slack and enhance them to create something truly special. The results have been largely impressive and despite a few bugs in the system, this software is fairly intuitive and easy to learn for moderate level computer users. Anyone who has enjoyed using Slack in the past is sure to find that Mattermost is a great alternative that runs even more smoothly than its predecessor.

Mattermost

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Mattermost Varies with device