Try the Indy Film Festival Streaming Service:

• Daily new film festival of the best new films from around the world. New archived festival to watch anytime.
• Library of over 500+ award-winning films to watch anytime.

Go to https://www.wildsound.ca and sign up for the free 3-day trial.

For context:

Here’s the library of the best ANIMATION films to watch in the world today:
https://www.wildsound.ca/animation-short-films