Using the term “permissive” as an antonym to “copyleft” – or “restrictive” as its synonym – are unhelpful framing. Describe license reciprocity instead.
Some open source licenses implement a clever hack invented by Richard Stallman where, as a condition of the copyright license, anyone creating derived versions has to agree they will license the new version the same way as the original. In a play on words, this concept is called “copyleft” and many open source licenses implement this hack. Continue reading
Open Source and Public Domain are frequently confused. Here’s why it’s a mistake to treat the two terms as synonyms.
Plenty of people assume that public domain software must be open source. While it may be free software within your specific context, it is incorrect to treat public domain software as open source or indeed as globally free software. That’s not a legal opinion (I’m not a lawyer so only entitled to layman’s opinions) but rather an observation that an open source user or developer cannot safely include public domain source code in a project. Continue reading
When you need to discuss a license, a legal document like a CLA or a governance rule with an open source community, what’s the best approach to take?
Having watched a fair number of people attempting to engage both the Open Source Initiative’s licensing evaluation community and the Apache Software Foundation’s legal affairs committee, here are some hints and tips for succeeding when your turn comes to conduct a discussion over legal terms with an open source community. Continue reading
At FOSDEM 2017, Simon gave a well-attended talk explaining many of the things that could go wrong for a company trying to engage a large open source project over legal or governance issues. Based loosely on a mailing list thread at the Apache Software Foundation, the talk highlighted seven things to avoid and gave ideas on how to do so.
When you breach the terms of the GPL, the best plan is to put things right straight away, not misdirect away from the problem and condescend to the authors.
Many were surprised when one of the pioneers of the open web accused a competitor of theft1. Matt Mullenweg complained on October 28 that the new mobile app Wix has released uses a big chunk of code from WordPress, namely the WordPress Mobile Editor Component. Matt is the original creator of WordPress and now CEO of the company successfully monetising it, Automattic, Inc.