Project Summary
Semantic MediaWiki (SMW) is a free, open-source extension to MediaWiki – the wiki software that powers Wikipedia – that lets you store and query data within the wiki's pages.
Semantic MediaWiki is also a full-fledged framework, in conjunction with many spinoff extensions, that can turn a wiki into a powerful and flexible knowledge management system. All data created within SMW can easily be published via the Semantic Web, allowing other systems to use this data seamlessly.
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In a Nutshell, Semantic MediaWiki...
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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 72 years of effort (COCOMO model)
starting with its first commit in August, 2006
ending with its most recent commit 4 days ago
Quick Reference
Community
Documentation ( 3 Links )
Download ( 2 Links )
Forums ( 2 Links )
Issue Trackers
Mailing Lists ( 4 Links )
Other ( 6 Links )
GNU General Public License v2.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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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
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use of OSS increased in 65% of companies in 2016
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30 Day SummarySep 21 2026 — Oct 21 2026
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12 Month SummaryOct 21 2025 — Oct 21 2026
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