I'm actually taking an online 3D modeling course with my online school, and they have us user Blender, which is neat, since I already installed it with Steam.
I'm interested in the class because I wanna be a game dev.
Blender is an excellent tool and I've only scratched the surface of it. I'm a great supporter of open source software and I use it wherever it's feasible. Blender, Shotcut, Open Office, Gimp - all superb tools.