Although the GNU General Public License allows reselling of free software, this commercial redistribution doesn't comply with the requirement of express attribution to the original authors which is stated by the Free Art License, applied to the whole artwork of Speed Dreams.
Torvalds initiated a switch from his original license, which prohibited commercial redistribution, to the GNU GPL.
Another example was Scilab prior to version 5, which called itself "the open source platform for numerical computation" but had a license that forbade commercial redistribution of modified versions.
Waf's source code is open source software, released under the terms of the New BSD License, though its accompanying documentation is under the CC-BY-NC-ND license, which forbids both modification and commercial redistribution: this prevents vendors such as the Debian project from including Waf documentation in their distributions.
To that effect, the documentation which is shipped as part of the Waf release is under the CC-BY-NC-ND license, which forbids both modification and commercial redistribution: this change was made in order to obstruct the Debian project from including Waf as a system-wide software package.
Redistribution is subject to the trademark license, especially commercial redistribution.
This latter point distinguishes the GPL from software licenses that prohibit commercial redistribution.
Until December 31, 2001, PBS and derivative programs (OpenPBS) did not meet the Open Source Initiative's definition of open source, namely, the license prohibition of commercial redistribution of the software.
The first, excavated in 2002 was part of an imperial farm complex that was engaged both in industrial or agricultural processing, and in commercial redistribution of some of the products, as shown by the volume calibration marks on the sides of the storage vessels.
When he released version 0.12 in February 1992, Torvalds adopted the GNU General Public License (GPL) over his previous self-drafted license, which had not permitted commercial redistribution.