I just watched Flow (2024) by Gints Zilbalodis, and I loved it. Despite being a very small production, it won a Golden Globe, beating out Pixar and Disney. The cherry on top? The entire film was rendered using the free and open-source software Blender!
https://www.blender.org/user-stories/making-flow-an-interview-with-director-gints-zilbalodis/