Copyleft

The Copyleft Foundation, which initiates its course this coming month of October year 2006, issues a formal invitation to participate to all those interested in copyleft and who form a part of the chain of assessment of the arts, culture an science as well as individuals and associative companies. ❋ Unknown (2006)

A concept in competition with the idea of copyleft is the "non-commercial" license, which attempts to restrict the use of a work for "commercial" purposes. ❋ Unknown (2008)

The GPL is called a copyleft license, which is wordplay on copyright. ❋ Unknown (2008)

"copyleft" - software licenses that not only allow copying, but require it. ❋ Taxpayer (2009)

It is radical because previous attempts have tried to build on the evident success of the GNU GPL by taking a kind of copyleft approach: using copyright to limit copyright. ❋ Glyn Moody (2007)

Do you own the copyright, and if so would you be willing to give a general "copyleft" or other no-royalty license? ❋ Unknown (2006)

IP practitioners frequently complain about the academythe "copyleft" as they are found sic of saying. ❋ Unknown (2003)

This License is a kind of "copyleft," which means that derivative works of the document must themselves be free in the same sense. ❋ Downey, Allen (2000)

This approach, known as "copyleft", as opposed to copyright, languished in obscurity until the internet made it easier for far-flung groups of developers to collaborate-which led to an explosion of open-source activity. ❋ Unknown (2011)

"The strongest" copyleft "… is having a vibrant and active community" - Shaver, of shaverfacts fame, in mozilla. governance ❋ Luis Villa (2010)

If you publish as 'copyleft': this means you are not only allowing people to re-use or copy your material - attributed to you of course - but also to change it, and re-use it for commercial purposes. ❋ Unknown (2010)

Movement, as well as the creator of 'copyleft', and activist for software/digital freedom. ❋ Unknown (2010)

And to do this he developed the copyright-based legal method known as 'copyleft', which guarantees that the software stays free, while encouraging improvements and input from its community of users. ❋ Unknown (2010)

There is an entire class of reciprocal open source software licenses, sometimes called "copyleft" licenses, that require derivatives to be distributed under the same terms as the original code base. ❋ Ryan Paul (2010)

As a musician, and as an entrepreneur making my living selling equipment to studios and musicians, I obviously have a great deal to lose if the putative forces of "copyleft" somehow succeed in preventing music being paid for. ❋ Unknown (2010)