Software Alternatives, Accelerators & Startups

Mattermost

Mattermost is an open source alternative to Slack.

Mattermost Reviews and details

Screenshots and images

  • Mattermost Landing page
    Landing page //
    2023-10-21

Features & Specs

  1. 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.

  2. Security

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

  3. Flexibility

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

  4. Team Collaboration

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

  5. Scalability

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

Badges

Promote Mattermost. You can add any of these badges on your website.

SaaSHub badge
Show embed code
SaaSHub badge
Show embed code

Videos

Mattermost - An Open Source, Self Hosted, Slack Chat Alternative

Demo of Mattermost Basics | Features end users love

Getting Started with Mattermost

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about Mattermost and what they use it for.
  • Indie Hacking with Open Source Tools: Innovating on a Budget
    Communication tools such as Mattermost and Rocket.Chat support team collaboration. - Source: dev.to / about 2 months ago
  • Indie Hacking Success Stories with Open Source Licenses
    Mattermost: For teams seeking a secure, self-hosted communication solution, Mattermost stands as a beacon of open source excellence. With a foundation built on the MIT License, Mattermost caters to organizations that prioritize data security and customization. Its growth not only reflects a need for privacy in digital communication but also showcases how open source frameworks support tailored solutions. - Source: dev.to / about 2 months ago
  • Campsite/Campsite: The Campsite Monorepo
    Is there an 'open source Slack' type thing anywhere? This is the closest I've found- https://mattermost.com/. - Source: Hacker News / 4 months ago
  • A Surprise from Mattermost!
    Turned out it was a gift from Mattermost! It was a custom-made mug with a special thank you message at the back, which was really cool! - Source: dev.to / 6 months ago
  • Hacktoberfest! - Week 2
    In case you don't know. Mattermost is an open-source, self-hostable chat service designed for organizations and companies. It's an open source alternative to Slack or Microsoft Teams. For a long time I've seen their name recommended a lot among open source enthusiasts. It's also a huge project. I thought it would be a nice challenge to get involved and contribute. Speaking of challenges, there were quite a few:. - Source: dev.to / 6 months ago
  • Hacktoberfest 2024: 2nd Contribution
    Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. This repo is the primary source for core development on the Mattermost platform; it's written in Go and React and runs as a single Linux binary with MySQL or PostgreSQL. A new compiled version is released under an MIT license every month on the 16th. - Source: dev.to / 7 months ago
  • 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 / 9 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 / 12 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 / 12 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 / about 1 year 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 / about 1 year 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 / about 1 year ago
  • List of your reverse proxied services
    Mattermost for Chat, and also for Notifications sent by Uptime-Kuma. Source: over 1 year ago
  • Alternatives List
    Mattermost is an good alternative to companies, workers and teams. Source: almost 2 years ago
  • Trello Alternative
    Might be overkill but https://mattermost.com/. Source: almost 2 years 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: about 2 years 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: about 2 years 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: about 2 years 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: about 2 years 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: about 2 years 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: about 2 years ago

External sources with reviews and comparisons of Mattermost

7 best Mattermost alternatives for secure business messaging
Mattermost uses monolithic architecture, which is tightly coupled and complex to understand. It restricts the scalability of the collaboration tool, which is a limitation for growing businesses. In that case, businesses explore Mattermost alternatives that support scalability.
12 Best Self-hosted Chat Platforms For Team Communication
Below is a curated list of the 12 best self-hosted messaging apps like MirrorFly, Mattermost, Zulio, Nextcloud, and Rocket.chat that offer unique collaboration features and lets you take full control of your data.
10 Best Telegram Alternatives in 2024
Mattermost is the most widely used Social platforms for any companies specially IT sectors, and it serves as one of the top Telegram alternatives. Provides easy-to-setup interface with fast performance. This app is designed for file sharing, searching options and also to allow user internal chat facility. Mattermost is the alternative for telegram and microsoft teams apps.
Top 5 Voice Messaging Apps To Keep Teams Connected
Some business conversations are private and cannot be discussed on third-party servers. If you are looking for a secure app to use for your conversations, consider using Mattermost. The app is open-source where you will need to have it downloaded and installed on the servers of your company. This is one of the video messaging apps that are self-hosted. With this app, you can divide conversations into channels and...
Why we switched to Mattermost
Just dialing that down a notch – both our Mattermost clients (usually browsers) and Mattermost servers are now invisible to the Internet and invisible to any network. If a user session is properly identified (dive deeper here if strong identification (no, IP addresses don’t count!) is important to you), authenticated and authorized then it can open a Zero trust application connection. Else, no soup for you.Â...
14 of the Best Slack Alternatives for 2022
Mattermost offers freemium pricing plans for small teams that feature unlimited message history and integrations. Additionally, Mattermost supports more than a dozen languages, making a great fit for global teams.
18 Best Discord Alternatives 2020 | Expert Reviews
However, to set up Mattermost, you must have technical knowledge. Since it is running on your servers, you will have to maintain the instance. Also, you will need to upgrade Mattermost when new releases are out.
Top 10 Team Chat Software for a Self-Hosted environment specifically designed for Large Enterprises
Mattermost introduces itself as a ‘High Trust Messaging for the Enterprise’, and it is true. An exceptional self-hosted open source messaging platform that extends secure communication across the industries of all forms and sizes. It can be deployed on a private cloud within the premises of local servers. The organizations which are high on privacy-conscious believe Mattermost as their flexible partner for all...
10 Tried and True Telegram Alternatives
While you’ll need to deploy it on your server, Mattermost also provides a host of customization options across its web, desktop, and mobile apps – such as the ability to add encryption on both communication and server-level; custom branding and login page design; and the ability to customize the languages available in the UI.
Top 11+ Slack Competitors to look out for in 2020
Mattermost, as premium business chat software, is dedicated to providing business with premium collaboration solutions. The hybrid, slack competitors open source, the private cloud allows the paid users to avail a configurable, highly encrypted, and scalable messaging solutions across mobile, web, and PC.
Top 20 Skype for Business alternatives for 2019 and beyond
Mattermost is an open-source alternative to Skype for Business, so companies can host within their own protected environment. There’s a free trial to get you started, and enterprise-grade encryption.
Zulip Comparisons
* On Mattermost's licensing: Mattermost Team is open source, but most enterprise-grade features are in Mattermost Enterprise, which is not.

Do you know an article comparing Mattermost to other products?
Suggest a link to a post with product alternatives.

Suggest an article

Mattermost discussion

Log in or Post with

This is an informative page about Mattermost. You can review and discuss the product here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.