PhotoTime - Automatic face sorting & keywords tagging for your photos
Gallery Doctor - Gallery by Doctor
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
Fotofox - Take 20x more photos & videos without running out of space
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook
Carousel - Carousel is the best way to experience Instagram on your Mac.