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Apache Commons
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<p>
The Commons is a Jakarta subproject focused on all aspects of reusable Java components.
The Commons Proper is dedicated to one principal goal: creating and maintaining reusable Java components. The Commons Proper is a place for collaboration and sharing, where developers from throughout the Jakarta community can work together on projects to be shared by the Jakarta projects and Jakarta users.
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<p>License: 
Apache License Version 2.0
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<p>
http://jakarta.apache.org/commons/index.html
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