License

V4EX License

Cost

1. Royalty exempt for the first US$1,000,000 of lifetime gross revenue your product makes.
2. 5% royalty of gross revenue when your product succeeds in version 1.0 which mainly used in modules, libraries.
3. 25% royalty of gross revenue when your product succeeds in version 2.0 which mainly used in applications, whole solutions.

Permissions

1. Commercial use (Yes)
2. Distribution (Yes)
3. Modification (Yes)
4. Patent use (Yes)
5. Private use (Yes)
6. Trademark use (Yes)

Limitations

1. Liability (No)
2. Warranty (No)