Software Alternatives, Accelerators & Startups

GitHub VS Mattermost

Compare GitHub VS Mattermost and see what are their differences

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GitHub logo GitHub

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Mattermost logo Mattermost

Mattermost is an open source alternative to Slack.
  • GitHub Landing page
    Landing page //
    2023-10-05
  • Mattermost Landing page
    Landing page //
    2023-10-21

GitHub

Website
github.com
$ Details
Release Date
2008 January
Startup details
Country
United States
State
California
Founder(s)
Chris Wanstrath
Employees
500 - 999

GitHub features and specs

  • collaboration
    GitHub provides a platform for multiple developers to work on the same project concurrently, facilitating collaboration through features like pull requests, code reviews, and issues tracking.
  • integration
    GitHub integrates seamlessly with various third-party tools and services, such as CI/CD pipelines, project management tools, and many development environments, enhancing productivity and workflow efficiency.
  • version_control
    Utilizes Git for version control, allowing users to track changes, revert to previous versions if necessary, and manage different branches of development, ensuring code stability and history tracking.
  • community
    With millions of developers and a vast repository of open-source projects, GitHub fosters a robust community where users can contribute to projects, seek help, share knowledge, and collaborate broadly.
  • availability
    GitHub is a cloud-based platform, which means that projects are accessible from anywhere with an internet connection, providing flexibility and convenience to developers globally.
  • documentation
    GitHub allows for comprehensive project documentation through README files, wikis, and GitHub Pages, making it easier for users to understand project context and contribute effectively.

Possible disadvantages of GitHub

  • cost
    While GitHub offers free plans, more advanced features and private repositories come at a cost, which might be a barrier for some individuals or small teams.
  • steep_learning_curve
    For newcomers, especially those unfamiliar with Git, the learning curve can be quite steep, making it challenging to utilize all of GitHub's features effectively.
  • privacy_concerns
    Given its expansive, open nature, users must be cautious with sensitive or proprietary information. Even with private repositories, there is a latent concern over data privacy and security.
  • interface_complexity
    The user interface, while powerful, can be overwhelming and complex for beginners or those not deeply familiar with version control concepts.
  • performance_issues
    Occasionally, GitHub may experience downtime or performance issues, which can disrupt workflow and prevent access to repositories temporarily.
  • limited_storage
    GitHub imposes limitations on storage space and file size within repositories, which can be restrictive for projects requiring large datasets or binaries.

Mattermost features and 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.

Possible disadvantages of Mattermost

  • Complex Setup
    Setting up Mattermost can be complex and may require considerable time and technical expertise, particularly for self-hosted deployments.
  • Cost
    While the basic version is free, advanced features and enterprise-grade support come at a cost which can be expensive for smaller organizations.
  • Maintenance
    Self-hosting Mattermost requires ongoing maintenance, including updates and security patches, which can be resource-intensive.
  • Learning Curve
    New users may experience a learning curve due to the platform's comprehensive set of features and customization options.
  • Mobile Experience
    The mobile app, while functional, is often considered less polished and feature-rich compared to the desktop version, which might affect user experience on the go.

Analysis of GitHub

Overall verdict

  • GitHub is considered an excellent choice for developers and teams looking for a reliable and efficient platform for version control and collaboration. Its community support, extensive documentation, and innovative features make it a preferred choice in the software development community.

Why this product is good

  • GitHub is a widely used platform for version control and collaboration, popular among developers and teams for its robust features, ease of use, and integration capabilities. It allows for streamlined project management, code review, and continuous integration, enhancing productivity and collaborative workflows.

Recommended for

  • Individual developers working on personal projects
  • Software development teams in need of collaborative tools
  • Open-source project maintainers and contributors
  • Organizations looking for scalable version control solutions

Analysis of Mattermost

Overall verdict

  • Mattermost is a strong choice for teams and organizations looking for a secure, customizable, and self-hosted collaboration tool. While it may require more setup than some cloud-based alternatives, the customization and control it offers can be a significant benefit.

Why this product is good

  • Mattermost is considered a good platform for its open-source nature, which provides flexibility and control over data, making it a popular choice for organizations with specific security and compliance needs. It offers robust features for team collaboration, including messaging, file sharing, and integrations with other services. The ability to customize and extend the platform to fit unique organizational workflows is another advantage.

Recommended for

    Mattermost is recommended for organizations that prioritize data privacy and security, need extensive customization options, or are looking to integrate a collaboration tool into existing systems. It is also suitable for teams in regulated industries requiring on-premises solutions.

GitHub videos

How to do coding peer reviews with Github

More videos:

Mattermost videos

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

More videos:

  • Review - Demo of Mattermost Basics | Features end users love
  • Review - Getting Started with Mattermost

Category Popularity

0-100% (relative to GitHub and Mattermost)
Software Development
100 100%
0% 0
Communication
0 0%
100% 100
Code Collaboration
100 100%
0% 0
Group Chat & Notifications

User comments

Share your experience with using GitHub and Mattermost. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare GitHub and Mattermost

GitHub Reviews

  1. Reinhard
    ยท Boss at CLOUD Meister ยท
    perfect 4 open Source

Best Forums for Developers to Join in 2025
GitHub Discussions is a communication forum for the community around an open source or internal project. Discussions enable fluid, open conversation in a public forum. Discussions are transparent and accessible, but they are not related to code.
Source: www.notchup.com
The Top 10 GitHub Alternatives
However, like any (human) product, the platform has its limits, downsides, and critics. GitHub has been barred by certain governments, and even if that isnโ€™t exactly the companyโ€™s fault, the users are the ones limited from pushing their code. Another criticism concerns the price tag: some users have pointed out that GitHubโ€™s pricing model is too inflexible. Moreover, some...
Top 10 Developer Communities You Should Explore
GitHub also has an extensive API that allows it to integrate workflows seamlessly. Continuous integration, code review tools, and project management features make GitHub an essential tool for any developer, and the community aspect adds a layer of connectivity that enriches the overall experience.
Source: www.qodo.ai
Top 7 GitHub Alternatives You Should Know (2024)
FAQs: Are there any cloud source repositories similar to GitHub?Is there a free alternative to GitHub?
Source: snappify.com
Best GitHub Alternatives for Developers in 2023
We may earn from vendors via affiliate links or sponsorships. This might affect product placement on our site, but not the content of our reviews. See our Terms of Use for details. Looking for an alternative to GitHub? Check out our in-depth list of the best GitHub competitors, covering their features, pricing, pros, cons, and more.

Mattermost Reviews

Top 10 Best Enterprise Instant Messaging Software [2026]
Mattermost is an open-source platform that enables safe collaboration in self-hosted chat programs featuring file sharing, search, and integrations; groups and businesses can use it as an internal chat.
Source: www.contus.com
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.
Source: www.rocket.chat
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...

Social recommendations and mentions

Based on our record, GitHub seems to be a lot more popular than Mattermost. While we know about 2463 links to GitHub, we've tracked only 74 mentions of Mattermost. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

GitHub mentions (2463)

  • Awaithuman: pagerduty mcp
    The core of the ecosystem is the official open-source server hosted on GitHub. It is written in TypeScript and implements the full MCP specification. - Source: dev.to / 3 days ago
  • Short-Circuit Your Agent Evals: Tier Order Is a Latency Budget, Not a Preference
    This is why the gate needs a trace it can trust, and why AgentLens is the other half of this workflow. agent-eval scores and gates the output; AgentLens captures the trace of how the agent got there โ€” every model call and tool step, the resolved inputs (not the templated ones), the raw outputs. That trace is exactly the unforgeable, agent-didn't-author substrate that Tier 1+2 need to score against. Without it,... - Source: dev.to / 3 days ago
  • I Built a Vibe Coding Mess, GitHub Was the Start of Taking Back Control
    ## Tell Git to start tracking your project Git init ## Take a snapshot of all your current files Git add . ## Save this snapshot with a description Git commit -m "Initial commit from AI tool" ## Connect your local project to GitHub ## Get repository URL from your GitHub page ## it looks like https://github.com/your-name/your-repo.git Git remote add origin PASTE_YOUR_URL_HERE ## Upload your code to GitHub Git... - Source: dev.to / 13 days ago
  • Troubleshooting Git Authentication: Fixing "Repository Not Found" on Private Repositories
    Conclusion Next time Git insists a private repository doesn't exist, skip editing your config file and head straight to the Windows Credential Manager. Wiping out the stale git:https://github.com entry forces a clean handshake, getting you back to coding in less than a minute. - Source: dev.to / 13 days ago
  • My homelab stack in 2026: what runs, why, and how it all connects
    Gitea is where all private repositories live: infra configs, personal projects, anything I don't want on a third-party server. Public projects still go to GitHub because that's where the audience is, but a number of those GitHub repositories are mirrored back to Gitea as a local backup. The split is simple: Gitea for control and resilience, GitHub for reach. - Source: dev.to / 14 days ago
View more

Mattermost mentions (74)

  • Radicle: Sovereign {code forge} built on Git
    How does it compare to MatterMost [1]? [1] https://mattermost.com/. - Source: Hacker News / about 2 months ago
  • 5 Open Source Alternatives Worth Considering Before Renewing Expensive SaaS Tools
    Slack's value is real, especially for cross-company conversations with clients and vendors. But for internal communication in companies that care about data residency or audit requirements, Mattermost is a credible self-hosted alternative. The source is on GitHub and the Mattermost deployment guide covers the install on Docker, Kubernetes, and most Linux distributions. - Source: dev.to / 3 months ago
  • Anthropic, Please Make a New Slack
    For those who may have forgotten, Mattermost is quite good these days: https://mattermost.com/. - Source: Hacker News / 4 months ago
  • France dumps Zoom and Teams as Europe seeks digital autonomy from the US
    Despite their confusion as to whether they want to really support their free and open source versions (without some absurd user count cliff), Mattermost (https://mattermost.com) is quite excellent and IMO is better than Slack. For example, editor leans towards native Markdown so things like syntax highlighting with backticks work as you expect. Their recent update removed the paywall from SSO (and unfortunately... - Source: Hacker News / 5 months ago
  • Mattermost limited free version to 10000 messages
    Black businesswomen? Firefighters? White servicemen? White software developers? I really don't get what you're implying. I don't see any problem with the photos on the mattermost front page. https://mattermost.com/. - Source: Hacker News / 6 months ago
View more

What are some alternatives?

When comparing GitHub and Mattermost, you can also consider the following products

GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab

Slack - A messaging app for teams who see through the Earth!

BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.

Rocket.Chat - Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

VS Code - Build and debug modern web and cloud applications, by Microsoft

Telegram - Telegram is a messaging app with a focus on speed and security. Itโ€™s superfast, simple and free.