Understanding Open Source and Free Software Licensing.pdf

This book will show you the licenses, explain how they can be used, and give you the information needed to make informed decisions. Knowing the details, the factual ones and not the FUD, will make you the ‘go to’ person when these type of questions arise.
–Brian Turner, Free Software Magazine
Licensing is a major part of what open source and free software are all about, but it’s still one of the most complicated areas of law. Understanding Open Source and Free Software Licensing explains your licensing options, how they compare and interoperate, and how license choices affect project possibilities.

If you’re an open source/free software developer, this book is an absolute necessity.
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Download: Oreilly - Understanding Open Source and Free Software Licensing.pdf