Sniper is a Blender Addon by Jacques Lucke that creates professional Motion Graphics like, for example, Lyric Videos with just a few clicks.

ARewO stands for "Animation Replicator with Offset" and is a nice little tool for motion graphics-style animations. It's like an array modifier supporting per-object animations and even armatures! Additionally, you can have great control over where the copies will be placed (e.g. along a path) and even offset their animation.