Keeping social media platforms organised can be done with apps since it's never easy. A few platforms doing this is https://www.socialpilot.co/, https://www.hootsuite.com/, https://later.com/, https://missinglettr.com/ and https://socialbee.io/. Source: about 2 years ago

AppSumo is a startup app marketplace where you can get lifetime deals on up-and-coming apps. Missinglettr was one of the apps AppSumo offered but isn't available from AppSumo any longer. You can, however, subscribe directly at https://missinglettr.com/. Source: over 2 years 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