... . This needs careful consideration. Not all of the code has to be a part of the overall license either depending upon the type of open source license used for the main code, so commercial derivatives could be possible if that were desired for instance- not saying they would be, but just an example. For the output, you could use the various Creative Commons licenses, which have a variety of stipulations etc. There are other licenses that could apply here. OpenTemplot, TemplotMEC, and Templot3 are released under GPL3. 2_091330_300000000.png see: http://www.gnu.org/licenses/gpl-3.0.en.html Martin. Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Templot talk> Publishing of plans about Templot Club Templot Companion- User Guide- A-Z Index Templot Explained for beginners Please click: important information for new members and first-time visitors. indexing link for search engines back to top of page Please read this important note about copyright: Unless stated otherwise ...