Free Documentation License(redirection from FDL)
All pages in Wiki4D that aren't marked as FreePage are subject to the FreeDocumentationLicense.
In short: you may use, copy and change them, but the origin and your changes must be transparent and you must keep their FDL status. All the details should be taken from the original document made available by the GNU organisation:
- The GNU Free Documentation License is a form of copyleft intended for use on a manual, textbook or other document to assure everyone the effective freedom to copy and redistribute it, with or without modifications, either commercially or noncommercially.