Film Burn is an Animation Preset that automatically creates the overexposed "roll-out" effect, where the tail (and the head if you want) of a clip flickers into overexposure. By Stu Maschwitz

Do you hate the tediousness of having to set up SureTarget and 3D Falloff everytime you want to work with them? This script automatically set up your comp with these presets automatically.

A beautiful pack of Cinematic Presets for a bunch of different looks, free

Have you ever looked in the Adobe After Effects Effects menu and wondered what some effects are used for?
This time: Alpha Levels

sParticular is a script that helps you with 3D integration when using Trapcode Particular.

This script will execute the "Time-Reverse Keyframes" Keyframe Assistant found under the Animation menu.

KeyTweak is a AE script to easily modify keyframes of masks, trackpoints and any other properties.

This script creates a new camera and sets point of interest, position and orientation keyframes so that the camera successively faces each comp layer.