What is Mattermost?

Mattermost is an open-source, self-hostable online chat service with file sharing, search, and third party application integrations. It is designed as an internal chat for organisations and companies, and mostly markets itself as an open-source alternative to Slack and Microsoft Teams.

With a highly customizable environment, Mattermost is perfect for companies that handle highly sensitive data, such as those in the healthcare or military sectors.

Benefits:

Real-time collaboration across all devices and operating systems
Secure, scalable, and self-hosted messaging
1-1 and group messaging
Fully searchable message history (Basic version of Slack keeps history only for 90 days)
File, image, and link sharing
Emojis and rich text formatting
Service is free for all members of EUROfusion project

Go to ACH Mattermost

How to configure and use Mattermost?

ACH Mattermost - accessing the service

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How can I communicate - Mattermost Official Documentation

You can:

create a team: https://docs.mattermost.com/collaborate/organize-using-teams.html
prepare dedicate channel: https://docs.mattermost.com/collaborate/collaborate-within-channels.html
send:
- regular message: https://docs.mattermost.com/collaborate/communicate-with-messages.html
- perfectly formatted message: https://docs.mattermost.com/collaborate/format-messages.html

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