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Company Overview

Mattermost is an open source alternative to Slack.

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Company Information

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Features & Specs

  • Open Source

    Mattermost is open-source, which allows organizations to customize and extend the platform to fit their specific needs. This also means that the community can contribute to the development and improvement of the software.

  • Security

    Being self-hosted or hosted in a private cloud, Mattermost offers strong security controls, making it suitable for industries with stringent compliance requirements.

  • Flexibility

    Mattermost supports a wide range of plugins and integrations with other tools and services, providing a high degree of flexibility in customization.

  • Team Collaboration

    The platform provides comprehensive team collaboration features, including direct messages, group chats, and file sharing, which streamline communication and project management.

  • Scalability

    Mattermost is designed to handle large-scale deployments, making it suitable for enterprises with significant user bases.

  • Videos

    External Sources including reviews & comparisons

    Social Recommendations


    • Zulip 9.0: Organized chat for distributed teams

      Have you tried Mattermost? I’ve never used it but it looks like it might work for you. https://mattermost.com/.

      – Source: Hacker News
      /
      about 2 months ago


    • Slack AI Training with Customer Data

      This feel like a corporate greed play, on what should be a relatively simple chat application. Slack has quickly become just another enterprise solution in search of shareholder value at expensive of data privacy. Regulation of these companies should be more apparent to people, but sadly, is not. I would recommend https://mattermost.com as an alternative.

      – Source: Hacker News
      /
      4 months ago


    • Slack AI Training with Customer Data

      Personally, I rather liked self-hosted versions of these: Mattermost: https://mattermost.com/ Rocket.Chat: https://www.rocket.chat/ Nextcloud Talk: https://nextcloud.com/talk/ Out of those, Mattermost was the easiest to setup (just need PostgreSQL and a web server, in addition to the main container), however not being able to easily permanently delete instead of just archiving workspaces was awkward. Nextcloud…

      – Source: Hacker News
      /
      4 months ago


    • Discord to Start Showing Ads for Gamers to Boost Revenue

      > Tell me another platform that is free, has realtime chat, voice and video, has stable service, allows sharing images and other media, with good ownership management… And is open source. Mattermost: https://mattermost.com/ Rocket.Chat: https://www.rocket.chat/ Nextcloud Talk: https://nextcloud.com/talk/ Self hosting and some assembly required. I’ve run all of them on cheap VPSes to explore a Slack/Discord…

      – Source: Hacker News
      /
      6 months ago


    • Ask HN: Who is hiring? (March 2024)

      Mattermost, Inc. | Senior React Native Engineer | REMOTE (US Only) | Full-Time At Mattermost we build an open core, chat and collaboration platform focused on making users with mission critical work more productive while also allowing our customers to self-deploy and have full control over their own data. We’re looking for a Senior React Native Engineer who has the depth to significantly move the performance…

      – Source: Hacker News
      /
      7 months ago


    • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

      Mattermost — Secure collaboration for technical teams. Free plan with unlimited channels, playbooks, boards, users, 10GB storage, and more.

      – Source: dev.to
      /
      8 months ago


    • List of your reverse proxied services

      Mattermost for Chat, and also for Notifications sent by Uptime-Kuma.

      Source:
      10 months ago


    • Alternatives List

      Mattermost is an good alternative to companies, workers and teams.

      Source:
      about 1 year ago


    • Trello Alternative

      Might be overkill but https://mattermost.com/.

      Source:
      over 1 year ago


    • Does anyone use Signal for work/business?

      Setting up a Matrix server is quite demanding. Maybe something like mattermost is a better fit for a small team?

      Source:
      over 1 year ago


    • Trouble with reminders

      I set up Mattermost on a Linux server I had standing around. Problem solved with the (still a little buggy but usable) remind plugin. And as an extra bonus now our team talk is completely private with full history.

      Source:
      over 1 year ago


    • Would you help me move to a more open-sourced and decentralised digital workspace?

      Another good alternative as a team chat is https://mattermost.com/.

      Source:
      over 1 year ago


    • Teams vs Slack

      Mattermost has the best security and compliance across the board. Check them out. And MS mines your chat data BTW, just like Google does your emails/chat.

      Source:
      over 1 year ago


    • Netdata release 1.38.0

      The agents can now send notifications to Mattermost, using the Slack integration! Mattermost has a Slack-compatible API that only required a couple of additional parameters. Kudos to @je2555!

      Source:
      over 1 year ago


    • A question for technologists: can we start an open-source cheat-detection engine that becomes the gold standard of cheat detection engines?

      Our military uses this program to communicate classified information and it’s open-source. “Everyone can see the code therefore it is easier to circumvent” is false logic. https://mattermost.com/.

      Source:
      over 1 year ago


    • Any Slack/Discord alternatives for arm64 architecture ?

      More leaning to the Slack side, but Mattermost could be an option for you.

      Source:
      over 1 year ago


    • Discord Replacement

      Mattermost can be self-hosted and actually comes with GitLab Omnibus deployments iirc (albeit disabled by default).

      Source:
      over 1 year ago


    • What would you love to see as self hosted service?

      Depends on how you’re using Discord, but there’s Mumble, Mattermost, and Element/Matrix.

      Source:
      over 1 year ago


    • Odyssey of finding a self-hosted personal Kanban/ToDo-Webapp with Mobile-App

      I too have been frustrated by the lack of kanban projects with mobile. I personally prefer a native mobile app vs a webpage. What I ended up settling on was Mattermost . I think it should tick most of your boxes.

      Source:
      almost 2 years ago


    • Ask HN: Self hosted user friendly chat app for family?

      I maintain a Synapse homeserver for our open source project and it seems to work fine, I don’t know how different it is from Conduit. Other open source and self-hosted chat apps I’ve heard of but haven’t used are Mattermost[1] and Rocket.chat[2]. [1] https://mattermost.com/ [2] https://www.rocket.chat/.

      – Source: Hacker News
      /
      almost 2 years ago


    • Ask HN: Who is hiring? (December 2022)

      – Data Analyst, Data Engineering team – Senior Program Manager, Data Engineering team – Product Manager, Playbooks Team – Senior Product Security Engineer Please submit your application here: https://mattermost.com/careers/ or send your resume to teresa@mattermost.com.

      – Source: Hacker News
      /
      almost 2 years ago

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