After the MVP is done, how to gain visibility and customers?

Hi! After working hard on this side project (a Rust based Markdown CMS for humans and agents) and reaching a level, where the product can really useful (and speed up website content management) I am stuck with the marketing. How, were, what tone? The product is freeware, with a owned subscription approach.

I would appreciate to get some insights from peers who have masterd this part of the journey. To me, product development seems to be easy compared to gaining attention and visibility.