Learn how Buzz 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.
Last 30 days
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Last 30 days
Last commit
Repository age
Version
Self-hosted
Repository

Both Buzz 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.
Both tools have similar popularity levels, with Buzz having 31,966 stars and Mattermost having 38,974 stars on GitHub. In terms of developer contributions, Mattermost has 8,963 forks, indicating strong developer engagement.
Buzz is growing faster, adding 10,285 stars in the last 30 days (+47%) against adding 318 stars for Mattermost (+0.8%). Buzz is the smaller project of the two, so it is closing the gap rather than extending a lead.
Both projects show recent activity, with Buzz last updated 8 hours ago and Mattermost 8 hours ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX. However, they differ in their additional technology choices: Buzz uses Python, Rust, C, Objective-C, Swift, Kotlin, Tauri, Dart while Mattermost leverages SCSS, Golang.
Mattermost has been in development longer, starting 11 years ago, compared to Buzz which began 6 months ago. This 10.9-year head start suggests Mattermost may have more mature features and established processes.
Buzz is licensed under Apache-2.0, while Mattermost's license terms are not publicly specified.
Both tools serve similar use cases in Team Chat & Messaging. However, they also have distinct specializations: Mattermost extends into Collaborative Workspaces, Encrypted Communication.
Both Buzz and Mattermost offer self-hosting capabilities, giving you full control over your data and infrastructure.
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