For a start, KiCad works better with whatever other tools you might use. There’s the recently added LTSpice schematic import and overall serious SPICE simulation improvements, SVG and DXF import ...

Improvements to the KiCad Schematic Editor include smart wire dragging ... projects to include with KiCad 7.0 as demos. For example, the StickHub project was included with KiCad 6.0 as a demo.