diff options
| -rw-r--r-- | spm-slides.tex | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/spm-slides.tex b/spm-slides.tex index 57da0c7..e6fafbb 100644 --- a/spm-slides.tex +++ b/spm-slides.tex @@ -233,7 +233,8 @@ Representative: Richard Stallman. Four Essential Freedoms (run, study, modify, redistribute). -License: \href{https://www.gnu.org/licenses/gpl-3.0.en.html}{GPLv3} (approved by both FSF and OSI). +License: \href{https://www.gnu.org/licenses/gpl-3.0.en.html}{GPLv3} (approved by both FSF and OSI). Any derivative work must be +distributed under GPL too. Make freedom contagious. %Creative Commons Attribution-ShareAlike. Share. Remix. Conditions: Attribution. Share Alike. @@ -270,6 +271,13 @@ The difference between free and open source is largely on philosophical matters. stand for views based on fundamentally different values. Open source is a development methodology; free software is a social movement. -- Richard Stallman} +{\bf The similarity}. + +\begin{itemize} +\item You can modify the code. +\item You can redistribute the code, modified or original. +\item No warranties. Use it on your own risks. +\end{itemize} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \foilhead{Overhead at the Beginning} @@ -1396,9 +1404,15 @@ of each software source file. \end{verbatim} } -{\em Copyleft}. A copyleft license says that the derivative works must grant freedoms described in the parent license. +{\em Copyleft}. A copyleft license says that the derivative works must grant freedoms described in the parent license. Example: GPL, Affero GPL. + +{\em Permissive}. Does not require copyleft (non-copyleft). Example: MIT Licenses, Apache Software License version 2, and BSD license. + +License compatibility. Is license A compatible with license B? + +Make sure every contributor to the project agrees with the license to be used by collecting Contributor License Agreement from them. -{\em Permissive}. Does not require copyleft. Example: MIT Licenses, Apache Software License version 2. +% Developer Certificate of Origin (DCO) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \foilhead{Good precedents} |