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

Scrimba
Codédex
CodeCrafters
Data Protocol
Codelita
Eloquent JavaScript
The State of JavaScript 2018
A free resource for learning and developing in JavaScript
Which is more popular?
Based on our record, Mattermost seems to be a lot more popular than JavaScript.com. While we know about 76 links to Mattermost, we've tracked only 1 mention of JavaScript.com.
Website, pricing, platforms and company facts side by side.
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| Website | mattermost.com | javascript.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 JavaScript.com yet.
Walkthroughs and reviews on video.
Mattermost - An Open Source, Self Hosted, Slack Chat Alternative
More videos
No JavaScript.com videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mattermost and JavaScript.com. 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 JavaScript.com yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Mattermost | Remote (US and Canada) | FT | Multiple roles Mattermost (https://mattermost.com) is an open-core collaboration and workflow automation platform for air-gapped, on-prem and private clouds. Our customers are in defense,... - Source: Hacker News / 7 days ago
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 2 months ago
How does it compare to MatterMost [1]? [1] https://mattermost.com/. - Source: Hacker News / 5 months ago
The best resource I know of is Javascript.com for learning Javascript for the first time. It's made by Pluralsight which is a site that contains courses. - Source: dev.to / over 4 years ago
When comparing Mattermost and JavaScript.com, you can also consider the following products.

A messaging app for teams who see through the Earth!
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Interactive coding screencasts created in an instant
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Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
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Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
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Programming exercises for experienced engineers.
Compare CodeCrafters to Mattermost or JavaScript.com: