YY_MagicKey is a very powerful keying plugin, minus the complicated settings. It was designed specifically with the keying-out of premultiplied stock elements (explosions, blood, muzzle flares, etc) in mind, and never takes a long time to set up.

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

This is a preset that you can use on green screen footage or just general compositing.

This is a custom preset that takes the basic After Effects ellipse tool a step further.

Stylish and modern lower third. It features an ample area for secondary information where you can add not just text, but also images or video.

Uses expressions to pull colors from user generated swatches and apply the new colors across a project.

Some Assembly Required!

Simulating gravity turning on by a marker.

Compositing fog elements seems like a pretty straightforward thing to do in After Effects. Shoot or render your fog element against black, and then Add or Screen it on top of your footage, right? Wrong. This method is incorrect. Let's go over why.

Blue Flash creates a pulsing blue light behind your text

Chaos is a preset that flies the characters around the screen until they come to their final resting position