Mattermost is an open source, self-hosted Slack-alternative

As an alternative to proprietary SaaS messaging, Mattermost brings all your team communication into one place, making it searchable and accessible anywhere. It’s written in Golang and React and runs as a production-ready Linux binary under an MIT license with either MySQL or Postgres.

The latest version of electron-mattermost is 1.1 on Mac Informer. It is a perfect match for the Lifestyle category. The app is developed by Mattermost. Mobile and desktop apps, in addition to web – Use Mattermost from your iOS or Android phones and tablets or with installed apps on Windows, Linux and Mac. Easy to deploy, manage, and upgrade – Mattermost runs as Linux binary, Docker image, and many other forms.

Mattermost is:

Mattermost For Mac Free Download - Download latest version of Mattermost 4.5.1 Mac App High Trust Messaging for the Enterprise at TheMacApps. Mattermost is secure, workplace messaging from behind your firewall. Discuss topics in private groups, one-to-one or team-wide - Find what you're looking for with full text search, filters and #.

• Slack-compatible, not Slack-limited – Mattermost features rival Slack features, and support a superset of Slack’s incoming and outgoing webhook integrations, including compatibility with existing Slack integrations. From your existing Slack teams, you can import users, public channel history and even theme setting colors into Mattermost.

• Mobile and desktop apps, in addition to web – Use Mattermost from your iOS or Android phones and tablets or with installed apps on Windows, Linux and Mac.

• Easy to deploy, manage, and upgrade – Mattermost runs as Linux binary, Docker image, and many other forms. Try Mattermost with a one-line Docker install, and many install guides are available. Improvements ship every two months.
• Supported by a vibrant community – Use Mattermost with dozens of community integrations and applications, including Jira, IRC, XMPP, Hubot, Giphy, Jenkins, GitLab, Trac, Redmine, SVN, RSS/Atom and many others. Build and share your own apps using Mattermost APIs and drivers.

Also see: 10 reasons why Mattermost is better than Slack

BONUS: Sign-up for the Mattermost Insiders mailing list and we’ll send you an upcoming article on How to integrate over 400 applications to Mattermost–including Jira, Github and Twitter–using Zapier integration.

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Mattermost is a flexible, open source messaging platform that enables secure team collaboration

Highlights:

• Achieve peak productivity - empower DevOps to build the best workflows for your company, ship software faster, and collaborate confidently
• Protect your data - maintain full ownership and control of company IP and customer data behind your own firewall or VPN
• Avoid costly catastrophes - safeguard against major security incidents, vendor lock-in, and resource-draining technical debt

Features:

• Communicate seamlessly
• Organized conversations in teams and channels
• Fully searchable message history
• 1-on-1 and group messaging
• Voice, video, and screen sharing
• File, image, and link sharing
• Emoji and rich Markdown formatting
• Multi-language support
• Focus on what?s most important
• Custom desktop, email, and mobile notifications
• Do not disturb mode
• Favorite channels
• Keyword mention alerts
• Accelerate workflows with integrated tools
• Incoming and outgoing webhooks
• Custom slash commands
• Plugins and extensions
• Bots and developer toolkit
• Robust API library
• OAuth 2.0 applications
• Zapier app with more than 700 integrations
• Administer with full control over your data
• eDiscovery and compliance reporting
• Data retention policies
• Custom terms of service
• AD/LDAP authentication and sync
• Enforced multi-factor authentication
• SAML 2.0 single sign-on
• Command line and database management tools
• Performance and system monitoring

Mattermost Free

Release Notes

Mattermost Mobile App On Premise Server

Mattermost Platform 1

Version 4.5.1:

• Mattermost v4.5.1 contains a high level security fix. Upgrading is highly recommended. Details will be posted on our security updates page 30 days after release as per the Mattermost Responsible Disclosure Policy.