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openj9
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Very High Activity
Analyzed
1 day
ago. based on code collected
1 day
ago.
Project Summary
a Java Virtual Machine developed by IBM and the Eclipse Foundation.
Tags
java
jvm
vm
In a Nutshell, openj9...
...
has had
25,453 commits
made by
346 contributors
representing
1,723,469 lines of code
...
is
mostly written in C++
with
an average number of source code comments
...
has
a well established, mature codebase
maintained by
a very large development team
with
stable Y-O-Y commits
...
took an estimated
491 years of effort
(COCOMO model)
starting with its
first commit in September, 2017
ending with its
most recent commit 2 days
ago
Quick Reference
Project Links:
Homepage
Code Locations:
https://github.com/eclipse/openj9
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Managers:
Become the first manager for openj9
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
About Project Vulnerability Report
Did You Know...
...
65% of companies leverage OSS to speed application development in 2016
...
data presented on the Open Hub is available through our
API
...
use of OSS increased in 65% of companies in 2016
...
search
using multiple tags to find exactly what you need
About Project Security
Code
Lines of Code
Activity
Commits per Month
Community
Contributors per Month
Languages
C++
35%
Java
37%
C
18%
16 Other
10%
30 Day Summary
Jan 15 2026 — Feb 14 2026
152
Commits
32
Contributors
including
1 new contributor
12 Month Summary
Feb 14 2025 — Feb 14 2026
2218
Commits
Down
-287 (11%)
from previous 12 months
73
Contributors
Down
-15 (17%)
from previous 12 months
Most Recent Contributors
Keith W. Campbell
Gita Koblents
Aleksandar Micic
Irwin D'Souza
Dmitri Pivkine
KONNO Kazuhiro
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