In need of an honest feedback for my SaaS - TestNot

cool.
I would suggest you put a video demo going through the product and explaining it.

and use that vsl to measure metrics like how much the audience has watched. also had reviews and testimonials from your beta users that will increase credibility and trust.

also if you need to market your saas for free let me know as I am looking to test some water in the saas industry as a marketer

This looks great, love the idea as it allows non-technical people to test.
Does it include options to change the browser language to test localisations?

One very minor critique, the image associated with "Efficient management of UI tests" should have better project names so it looks more professional.

Hi Nemanja! As a developer myself, I really like the idea of a no-code editor for creating UI tests. The landing page is great, it communicated everything I needed to know quickly, and it's well-designed.

I really like that you've also included a demo dashboard, with various sample demo tests and so on. Super clean and intuitive UI, I must say!

One suggestion I have is to include an extra CTA at the end of the page, so that if users scroll to the end, there is an extra call-to-action button asking them to join the waitlist if interested, or to check out the demo dashboard created.

Overall, this is looks fantastic to me, and wishing you the very best with your launch :D