How to login Inventory demo app?

It seemed the Inventory App demo got a new release recently.
A popup window asks an user to login. What’s the account/password to login to see this demo application?
Any hint is appreciated. Thanks!

Hello @annazankevich,
Thanks for your answer.
But I am a little confused.
I just want give it a try and don’t have account/password to login inventory app.
Why sources for inventory app?

Hello @Edward ,
Please contact sales@webix.com for getting client side sources for the inventory app.

Hello @Edward ,

My apologies, I have misunderstood the previous question.
As for the access to the Inventory demo, it is restored. Please check:
https://inventory.demos.webix.com/