Figma can be tough to replace, but I found the best replacement.

This version brings native MacOS support, meaning users no longer require XQuartz for Inkscape to work if they're running El Capitan or newer. It also supports Apple Retina display screen resolution ...

The world of open source software offers free alternatives to just about any expensive commercial package you might care to name, but there’s no denying that some of them are better than others.