Analyzed
about 3 hours
ago.
based on code collected
1 day
ago.
Project Summary
Adds static typing to JavaScript to improve developer productivity and code quality.
In a Nutshell, Facebook Flow...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 247 years of effort (COCOMO model)
starting with its first commit in May, 2014
ending with its most recent commit about 11 hours ago
Quick Reference
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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anyone with an Open Hub account can update a project's tags
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65% of companies leverage OSS to speed application development in 2016
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data presented on the Open Hub is available through our API
30 Day SummaryAug 8 2026 — Sep 7 2026
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12 Month SummarySep 7 2025 — Sep 7 2026
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