https://aescripts.com/superpose/

An auto clean plate tool, which removes moving objects (Snow, Rain, Crowds,...) out of an image sequence with static camera.

• Superpose is a very effective and time saving tool to remove non-static objects out of a set of pictures or an image sequence with static camera. Superpose is best used as a first cleaning step for creating clean plates.
• The power of Superpose is most effective when removing a huge number of objects like snow, rain or crowds.