Remotion (React, tiered license), Motion Canvas (generators, MIT), Manim (math focus) and Lottie/Rive (authored assets, runtime playback) all promise programmatic motion. Which is most deterministic, easiest to template and safest to license for commercial agent pipelines?
Why this is still open: Only licenses and README claims were checked; no side-by-side build of the same title sequence has been recorded.