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General	Apache Kafka	Apache Spark
Project Activity	Activity Not Available	Activity Not Available
Open Hub Data Quality	Updated 3 months ago	Updated 3 months ago
Homepage	kafka.apache.org	spark.apache.org
Project License	apache_2	apache_2
Estimated Cost	$16,050,098	$22,470,023
All Time Statistics
Contributors (All Time) View as graph Project Comparison Graph	1433 developers	2982 developers
Commits (All Time) View as graph Project Comparison Graph	14962 commits	43482 commits
Initial Commit	almost 14 years ago	about 15 years ago
Most Recent Commit	5 months ago	5 months ago
12 Month Statistics
Contributors (Past 12 Months)	268 developers	307 developers
Commits (Past 12 Months)	2,644 commits	3,747 commits
Files Modified	5,785 files	12,884 files
Lines Added	530,905 lines	535,187 lines
Lines Removed	380,472 lines	333,742 lines
Year-Over-Year Commits	Increasing	Stable
30 Day Statistics
Contributors (Past 30 Days)	71 developers	87 developers
Commits (Past 30 Days)	337 commits	342 commits
Files Modified	1,427 files	2,830 files
Lines Added	55,840 lines	93,977 lines
Lines Removed	54,707 lines	69,734 lines
Code Analysis
Mostly Written In	Java	Scala
Comments	Low	Average
Lines of Code View as graph Project Comparison Graph	1,036,765 lines	1,425,405 lines
People
Managers	jaykreps	andykonwinski rxin matei
Open Hub Users	17 users	56 users
Open Hub User Rating	5.0 5.0 Based on 3 user ratings.	5.0 5.0 Based on 8 user ratings.