Based on our record, Landing Pages in MailChimp should be more popular than Google Design Sprint Kit. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Also Google (as in the company not the verb) has a free version of their discovery techniques here https://designsprintkit.withgoogle.com/. Source: about 1 year ago
Your example is actually the only time I've ever seen this side-by-side-style login page with the form on the right. Mailchimp, Quickbooks, and Alliant CU, for example, use the same layout as OP. I'd guess that Rippling is really trying to push their marketing, which is why it's on the left. Source: almost 3 years ago
And, of course, you need a Mailchimp account. If you still haven’t had an account, create a new one here. - Source: dev.to / over 3 years ago
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