Enlight Pixaloop - The animation app that lets you move still photos
Kamoso - Kamoso is a webcam recorder from KDE community.
PixaMotion - Make live photos, live wallpapers, moving Backgrounds & themes with animation effects.
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
VIMAGE - Add moving effects and elements to your photos.
Webcamoid - Webcamoid is a full featured webcam capture application.