I understand that this is attractive for Figma because it broadens their market and allows them to sell developer-specific plans, but honestly, what I need is not so much tools for myself, but for Figma to nudge my designers to make things more easily consumable by engineers. So that means nudging them to specifying a colour and font palette once and defaulting to using and re-using those, with straying from them being an exception. It means getting them to specify how different elements should flow, rather than them all being absolutely positioned at some particular X and Y coordinates. And just in general have them draw the design with tools that work more closely to the way CSS works.
I believe penpot.app is supposed to work like this, but unfortunately I haven't been able to try that yet.