CoreMelt SliceX and TrackX are specialized plugins that integrate the directly into the Final Cut Pro X timeline, allowing for complex motion tracking without the need to switch to external software like Apple Motion or Adobe After Effects. SliceX: Powerful Shape Masking

TrackX is designed to attach and conform external elements like text and graphics to moving surfaces in your footage. SliceX - Powerful Shape Mask Tracking for FCPX - CoreMelt

It features several pre-built motion templates for common tasks: