ZK is offered in 3 editions, CE, PE and EE, with different features and licensing models to meet different needs. Below is a summarized table:
ZK CE, licensed under LGPL offers the community the ability to use ZK CE wherever they please, including open source and commercial applications.
With this freedom we want ZK CE to be the centerpiece of our community. Therefore, we work closely with community members to achieve the common goal of creating a better platform in which all parties can leverage.
ZK PE and EE
If you would like to know why you should use ZK EE please click here
ZK Tools, Extensions and Components
ZK Tools, Extensions and Components also offered under different licensing models for different purposes. Most of the add-ons are available under open source licenses, free for using in compatible projects while commercial license is the suitable option if you wish not to open source your application or if your project is not compatible to the corresponding open source license we offer. For more information on pricing, please visit the pricing page.
Feel free to contact us if you have any questions in choosing the appropriate license.