Edit tools are software that can help you modify, refine, and customize facial animation and lip sync data. They can also be used to create facial animation and lip sync from scratch, using keyframes, curves, or sliders. Blender is a free 3D software with a powerful animation editor that can handle facial animation and lip sync. Shape keys, drivers, modifiers, and bones are used to create and edit facial expressions and mouth shapes. The Grease Pencil tool is also available for drawing 2D facial animation on top of 3D models. Adobe Character Animator is a 2D animation software that captures the user's facial expressions and lip sync with the webcam and microphone. Triggers, behaviors, tags, and the timeline are used to edit and fine-tune the facial animation and lip sync. Lastly, Maya is a professional 3D software with an animation editor that can handle facial animation and lip sync. Blend shapes, deformers, joints, and constraints can be used to create and edit facial expressions and mouth shapes. The Time Editor, Graph Editor, or Dope Sheet can adjust the timing and intensity of the facial animation and lip sync.