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

TaskBoard
Pintask
LeanKit by Planview
buckets.co
My Personal Kanban
winio
Kefez
Codecks is a project management tool inspired by Collectible Card Games.
Which is more popular?
Based on our record, Mattermost seems to be a lot more popular than Codecks. While we know about 76 links to Mattermost, we've tracked only 4 mentions of Codecks.
Website, pricing, platforms and company facts side by side.
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| Website | mattermost.com | codecks.io |
| 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 Codecks yet.
Walkthroughs and reviews on video.
Mattermost - An Open Source, Self Hosted, Slack Chat Alternative
More videos
Codecks -- Game Development Project Management Tool
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mattermost and Codecks. 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 Codecks 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 / about 1 month 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 / 3 months ago
How does it compare to MatterMost [1]? [1] https://mattermost.com/. - Source: Hacker News / 6 months ago
This is where I recommend https://codecks.io/ my beloved :) Though I suppose something like Notion could also work. Source: over 3 years ago
I've become a fan of codecks. It's made by the devs behind Curious Expedition and although the principles are simple, the tool is mighty. You can use it with the desired complexity, but the main concept is simple, easy to grasp and works... Source: almost 5 years ago
You could check out codecks.io. There are many advanced features but the interface is very easy to use. I'm using it for game jams and it's a very pleasant experience! Also it's free for 1-3 users. Source: almost 5 years ago
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