Testing layout in IE browsers?

Question

Browsers

Once upon a time I found a good English-language service,
The bottom line: using the canvas in the browser, you communicate with a virtual machine where a huge number of browsers are installed.
Liked it very much.
Now I can not find it on the Internet, tell me who?

Answer 1

https://saucelabs.com/
Free alternative to browserstack.com!!!!!!!

Answer 2

https://www.browserstack.com/
Is it?

Answer 3

If only ie, then there is also such a program www.my-debugbar.com/wiki/IETester/HomePage