Learn how Cinny and Mattermost differ in their key features, development activity, technology stack and community adoption, so you can decide which of these team chat & messaging tools is best for you.


Both Cinny and Mattermost have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Mattermost significantly outpaces Cinny in community adoption with 38,727 stars compared to 3,837 stars on GitHub. This 10.1x difference suggests Mattermost has a much larger and more active community. In terms of developer contributions, Mattermost has 8,894 forks, indicating strong developer engagement.
Cinny is growing faster, adding 62 stars in the last 30 days (+1.6%) against adding 318 stars for Mattermost (+0.8%). Cinny is the smaller project of the two, so it is closing the gap rather than extending a lead.
Both projects show recent activity, with Cinny last updated 15 hours ago and Mattermost 1 hour ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Typescript, JSX, SCSS. However, they differ in their additional technology choices: Mattermost leverages Bash, Golang.
Mattermost has been in development longer, starting 11 years ago, compared to Cinny which began 5 years ago. This 5.9-year head start suggests Mattermost may have more mature features and established processes.
Cinny is licensed under AGPL-3.0, while Mattermost's license terms are not publicly specified.
Both tools serve similar use cases in Team Chat & Messaging, Encrypted Communication. However, they also have distinct specializations: Cinny also focuses on Decentralized Social Networks while Mattermost extends into Collaborative Workspaces.
Mattermost provides self-hosting options for complete data control and customization, while Cinny may be primarily cloud-based or require different deployment approaches.
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