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|Developer(s)||Apache Software Foundation|
|Stable release||1.8.6 / June 22, 2014|
|Type||Portable Document Format (PDF)|
|License||Apache License 2.0|
Ohloh reports almost 2,000 commits (since the start as an Apache project) by 17 contributors representing more than 100,000 lines of code. PDFBox has a well established, mature codebase maintained by a large development team with increasing Y-O-Y comments. 
Apache PDFBox has these components:
- PDFBox: the main part
- FontBox: handles font information
- JempBox: handles XMP metadata
- Preflight (optional): checks PDF files for PDF/A conformity.
PDFBox was started in 2002 in SourceForge by Ben Litchfield who wanted to be able to extract text of PDF files for Lucene. It became an Apache Incubator project in 2008, and an Apache top level project in 2009. 
- (2014-06-25). "The Apache PDFBox Open Source Project on Ohloh". Ohloh.net. Retrieved 2014-06-25.
- (2014-06-25). "Ohloh Estimated development cost". Ohloh.net. Retrieved 2014-06-25.
- Apache PDFBox and FontBox 1.0.0 released, The H Open, 16 February 2010
- PDFBox Project Incubation Status
- PaDaF Preflight Codebase Intellectual Property (IP) Clearance Status