
Slack
Rocket.Chat
Discord
Element.io
Telegram
Zulip
Microsoft Teams
Mattermost is an open source alternative to Slack.

GitHub
Git
Homebrew
VS Code
fzf
GitHub Actions
GitHub Copilot
Official CLI tool for using GitHub from the command-line.

Which is more popular?
Based on our record, GitHub CLI should be more popular than Mattermost. It has been mentioned 144 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | mattermost.com | cli.github.com |
| Pricing | ||
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
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.
No analysis of GitHub CLI yet.
Walkthroughs and reviews on video.
Mattermost - An Open Source, Self Hosted, Slack Chat Alternative
More videos
NEW GitHub CLI 1.0 is here! | GitHub CLI Tutorial - Demo & Commands
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mattermost and GitHub CLI. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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.
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,...
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.
We have no reviews of GitHub CLI yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


The amazing thing is that there is almost always an open-source alternative that is 10x better in many ways, in the case of slack https://mattermost.com/ I'm looking forward for AI to make it very easy to deploy your own tools and walk... - Source: Hacker News / about 1 month ago
How does it compare to MatterMost [1]? [1] https://mattermost.com/. - Source: Hacker News / 4 months ago
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... - Source: dev.to / 5 months ago
Requirements: glab authenticated for GitLab repos, and/or gh authenticated for GitHub repos. - Source: dev.to / 21 days ago
Step two is the whole bootstrap surface: chezmoi, the Bitwarden CLI and the GitHub CLI. Step four clones the repo, installs the Brewfile, applies the macOS defaults and renders every dotfile including the secrets. It takes as long as... - Source: dev.to / 26 days ago
It’s worth pointing out that if you’re not aware of it, you can install the github cli[1] and view, merge, close etc prs and issue from the command-line. As well as (for me at least) being a significant step up in terms of productivity... - Source: Hacker News / about 1 month ago
When comparing Mattermost and GitHub CLI, you can also consider the following products.

A messaging app for teams who see through the Earth!
Compare Slack to Mattermost or GitHub CLI:

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.
Compare GitHub to Mattermost or GitHub CLI:

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
Compare Rocket.Chat to Mattermost or GitHub CLI:

Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
Compare Git to Mattermost or GitHub CLI:

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Compare Discord to Mattermost or GitHub CLI:
