Enlight Pixaloop - The animation app that lets you move still photos
Cheese - Cheese uses your webcam to take photos and videos, applies fancy special effects and lets you share...
PixaMotion - Make live photos, live wallpapers, moving Backgrounds & themes with animation effects.
Kamoso - Kamoso is a webcam recorder from KDE community.
StoryZ - StoryZ Photo Motion and Video Maker is a photography app that allows you to create visual stories from still images.
Webcamoid - Webcamoid is a full featured webcam capture application.