Rename items project wide in After Effects with as much ease or power as you want.

Will send to the render queue any frames that are marked by layer markers that are within the comp work area. This would be equivalent to going to a point in time in your comp and selecting “Save Frame As->File”.

Batch process the selected project items. For instance, it can be used to resize and apply the same preset to a collection of movies or comps.

Renders each of the selected layers separately. You might find this script useful if layers represent different versions of an effect or different parts of an effect that you want to render as separate “passes” for flexibility in how they get composited.