Analyzed
1 day
ago.
based on code collected
3 days
ago.
Project Summary
Mattermost serves teams who use words to shape the future.
Open source Slack-alternative in Golang and React
In a Nutshell, Mattermost...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 696 years of effort (COCOMO model)
starting with its first commit in June, 2015
ending with its most recent commit 3 days ago
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Poor security track-record
Favorable security track-record
Vulnerability Exposure Index
Many reported vulnerabilities
Few reported vulnerabilities
Did You Know...
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55% of companies leverage OSS for production infrastructure
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data presented on the Open Hub is available through our API
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use of OSS increased in 65% of companies in 2016
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learn about Open Hub updates and features on the Open Hub blog
30 Day SummaryAug 21 2026 — Sep 20 2026
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12 Month SummarySep 20 2025 — Sep 20 2026
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