Coolite 

Coolite Inc. uses a Dual License business model for the Coolite Toolkit and offers licenses to cover both Professional/Commercial (closed-source) and Community (open-source) projects.

The Coolite Professional Edition is appropriate if you wish to develop, sell and/or otherwise distribute closed-source proprietary applications using the Coolite Toolkit and Ext JavaScript Library.

The Professional Edition includes a Commercial License which is licensed on a per developer basis. Each individual who uses the Coolite Toolkit for development purposes must obtain a Coolite Commercial License (CCL) to do so. The CCL also grants a royalty free runtime license, which means you can include the Coolite Toolkit in your product and sell an unlimited number of copies of your product without a royalty fee. The only requirement is that one CCL is aquired for each developer working directly with the Coolite Toolkit in an IDE, such as Visual Studio, Visual Web Developer, or similar.

An officially licensed ExtJS Commercial License is included with the purchase of each Coolite Commercial License. You DO NOT require a separate Ext Commercial License, as one is granted to you with each Coolite Commercial License.

View Coolite Commercial License (CCL)

The Coolite Toolkit and Ext JavaScript Library are also both available with a GNU GPL 3.0 License.

The Coolite Community Edition may be appropriate for your project if you:

• develop and distribute open-source GPL 3.0 compatible software
• use the software for personal testing, training or demonstration purposes
• develop software for personal use
• develop software for use only within your organization or company, under the following (GPL applied) terms:
  1. The software must not be accessible by any persons outside your organization or company, and
  2. The software must be developed exclusively by your organization "on-site". Transferring a copy of your software to another organization or individual "off-site", including contractors, is considered distribution. More info

The Coolite Community Edition may not be appropriate for your project if you:

• develop closed-source software which might be used, accessed, installed or obtained by persons from outside your organization or company
• destribute your software and do not want to provide the full source code
• do not wish to use an open-source GPL 3.0 License

Official GNU GPL FAQ

View GNU GPL 3.0 License