Ardor3D is available from Ardor Labs under the terms of the libpng/zlib license, an open source license that grants you broad rights to use and build on and with Ardor3D in both Open Source and commercial settings. You can see the terms here, but among other things, this arrangement means you may:

• Freely use Ardor3D to build applications and services
• Distribute Ardor3D as a part of commercial products
• Modify Ardor3D, make extensions to the toolkit, and produce your own add-on components with no requirement that you give your code away or contribute it back to the project (but we would appreciate it!)

Just to re-iterate, you can build commercial software with Ardor3D without obtaining a separate license or incurring any other obligations.

The licensing goals of Ardor Labs in regards to Ardor3D are to:

• Encourage adoption
• Discourage political contention
• Encourage collaboration and integration with other projects and products
• Be transparent and responsive to the community

To ensure that Ardor3D's license fully protects its users from legal risk:

• All contributors much sign a Contributors License Agreement.
• Commit privileges (if nominated for granting, see contributing) are only extended when CLAs have been submitted
• Committers are responsible for vetting the CLA status of all contributions they may commit.

Ardor3D protects the rights of its contributors and users by having each major contributor sign a license agreement. After reviewing our licensing policies, click on one of the following to download a copy of the appropriate CLA. Note that the agreement is with Ardor3D's copyright holder, Ardor Labs.

When submitting a CLA, you may either mail a signed original or email a digital scan of the signed document.