Analyzed
21 minutes
ago.
based on code collected
about 3 hours
ago.
Project Summary
Solr is an open source enterprise search server based on the Lucene Java search library, with XML/HTTP and JSON APIs, realtime search, highly fault tolerant, hit highlighting, faceted search, caching, and a web administration interface. It runs in a standalone Java application backed by Jetty in the background.
In a Nutshell, Apache Solr...
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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 445 years of effort (COCOMO model)
starting with its first commit in September, 2001
ending with its most recent commit 1 day ago
Apache License 2.0
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
State Changes
Include License
Include Notice
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 )
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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in 2016, 47% of companies did not have formal process in place to track OS code
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you can embed statistics from Open Hub on your site
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use of OSS increased in 65% of companies in 2016
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30 Day SummaryNov 8 2025 — Dec 8 2025
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12 Month SummaryDec 8 2024 — Dec 8 2025
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