Open Source License Guide

This guide provides a clear and easy-to-understand chart of the obligations attached to various open source software licenses such as GPL, LGPL, Apache, New BSD and Mozilla.


From IT Business Edge | Jan 25, 2010

Katherine Chin Quee, legal consultant at Protecode, provides a clear and easy-to-understand chart of the obligations attached to these licenses:

  • GPL v.2
  • GPL v.3
  • LGPL v.2.1
  • New BSD License
  • Apache License 2.0
  • Mozilla Public License (MPL) 1.1

This chart is invaluable for those evaluating the correct license to apply to work, or evaluating the requirements attached to open source software, and asking questions like:

  • Can I distribute the licensed software unmodified?
  • Do I have to release the source code of my modifications?
  • Can I distribute licensed software (modified or unmodified) that has been combined or linked with code covered by another licensing model?
  • Can I use the licensed software as part of a technological measure?

The attached Zip file includes:

  • Intro Page.doc
  • Cover Sheet and Terms.pdf
  • Open Source License Guide.pdf
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