MotionVFX
MotionVFX has plugins, templates, and add-ons for Final Cut Pro, Adobe Premiere Pro and DaVinci Resolve. They also create Apple Motion templates. MotionVFX’s products are considered a benchmark for the industry.
FxFactory
FxFactory is a plug-in manager for effects in Final Cut Pro, Motion, and After Effects. It also supports Adobe Premiere Pro. FxFactory provides a large selection of visual effect plugins and apps for professional video editors.