Software License
In 2002, when the engine was open sourced, the goal of the developers was to create a Free Software license. However, the license had a few flaws that made it non-Free: it arguably required submitting changes to Panda.Project@Disney.com, and it explicitly prohibited the export of the software to various nations against which the United States had trade embargoes.
On Wednesday May 28, 2008, the trunk of Panda3D development switched to the BSD license. However, old releases still use the old license.
Panda3D makes use of several third party libraries whose licenses are not Free Software, including FMOD, Nvidia Cg, DirectX, and MFC. Most of these modules can be easily excluded from the installation, however.
Read more about this topic: Panda3D
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