
EatsReady
Foody
Capy Eats — Stop scrolling. Get one dish that fits your taste.

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

Which is more popular?
Based on our record, Mattermost seems to be more popular. It has been mentioned 75 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | capyeats.dnkistudio.com | mattermost.com |
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| Company | 2026 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


Capy Eats is a food decision app for the “what should I eat?” moment. Tell Dada your taste, swipe through a calibration, and get one dish instead of an endless list. It learns from your likes, skips, mood, budget, and history; filters allergies and avoided ingredients; and shows nutrition context...
No description of Mattermost yet.
What each product offers, as listed by its team.


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


No analysis of Capy Eats yet.
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.
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Mattermost - An Open Source, Self Hosted, Slack Chat Alternative
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How often each product is chosen within a category, 0–100% relative to the other.


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External articles and on-site reviews we used to compare the two products.


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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.
Recommendations tracked on public social media and blogs since March 2021.


Tracking Capy Eats since Sep 2026.
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 / 6 months ago
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