And as open source software, Quest will always remain free.

Quest is free to use. You can use it free via your web browser , or if you're a Windows user, you can download the free desktop version .

...and you're free

No restrictions. Quest is licenced under the MIT License.

This means you can download and modify the Quest source code, and do whatever you want with it.

You can sell the games you make with Quest. You can use the Quest source code inside closed source commercial applications.

You don't need to ask for permission - you already have it.