Analyzed
about 20 hours
ago.
based on code collected
2 days
ago.
Project Summary
This project is the .NET version of POI Java project at http://poi.apache.org/. POI is an open source project which can help you read/write xls, doc, ppt files. It has a wide application. For example, you can use it to generate a Excel report without Microsoft Office suite instal
In a Nutshell, NPOI...
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has a well established, mature codebase
maintained by a large development team
with increasing Y-O-Y commits -
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took an estimated 156 years of effort (COCOMO model)
starting with its first commit in May, 2011
ending with its most recent commit about 2 months ago
Quick Reference
https://github.com/tonyqus/npoi
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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there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
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data presented on the Open Hub is available through our API
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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anyone with an Open Hub account can update a project's tags
30 Day SummaryMay 16 2026 — Jun 15 2026
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12 Month SummaryJun 15 2025 — Jun 15 2026
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