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

LaunchDarkly
ConfigCat
Flagsmith
Unleash
Optimizely
Azure DevOps
Growth Book
In a world where product development teams are pressured to do more with less, Split’s Feature Data Platform™ gives you the confidence to move fast without breaking things.

Which is more popular?
Based on our record, Mattermost should be more popular than Split.io. It has been mentioned 76 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mattermost.com | split.io |
| Pricing | ||
| Company | Startup from the United States | 2015 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Mattermost yet.
In a world where product development teams are pressured to do more with less, Split’s Feature Data Platform™ gives you the confidence to move fast without breaking things. Set up feature flags and safely deploy to production, controlling who sees which features and when. Connect every flag to...
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.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Mattermost - An Open Source, Self Hosted, Slack Chat Alternative
More videos
Switch It On With Split
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mattermost and Split.io. 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.
Split is yet another powerful feature flag management tool serving customers like EA, Salesforce, and Crunchbase. It might not be suited for cross-channel experiments, but offers highly granular control over your...
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 / 14 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
I added split.io to my Pi-Holes while list but it still crashes. Source: about 4 years ago
If possible can you please ensure that split.io is being allowed through your adblocker? Source: about 4 years ago
Split.io, segment.io, app-measurement.com, ... These domains do not really serve ads, they are used for analytics which one can argue is a privacy issue. But some Android apps just refuse to start if you block some of these domains. Source: about 4 years ago
When comparing Mattermost and Split.io, you can also consider the following products.


LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.
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Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
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ConfigCat is a developer-centric feature flag service with unlimited team size, awesome support, and a reasonable price tag.
Compare ConfigCat to Mattermost or Split.io:

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 Split.io:

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
Compare Flagsmith to Mattermost or Split.io: