As a designer with some technical skills, I feel like I’m the ideal target audience for this. I’ve gravitated towards Webflow because it strikes a great balance between design flexibility and technical capability, and I’ve tried nearly everything out there in search of a solution like yours.

I highly recommend looking at Webflow’s component system and their partially-launched Library feature for inspiration (also check out Relume).

A service like yours that offers a library of foundational sections with customization options on top would be a game-changer. Best of luck! Let me know if you need any specific user testing.