Blender, in particular, is now a serious rival to Cinema 4D, with GPU rendering, geometry nodes, and a thriving marketplace. Many ex-C4D artists have switched permanently and never looked back.
Maxon One grants access to powerful tools like Cinema 4D, Redshift, Red Giant, and ZBrush. Because these are high-value professional applications, Maxon protects them with strict, cloud-based licensing security.