Ceremony - Ceremony is the fastest-growing wedding photo collecting application that allows you to easily collect all your wedding pics from guests.
PhotoTime - Automatic face sorting & keywords tagging for your photos
Wedew - Wedding E-invitation & Website
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
RegexOne - RegexOne offers learning regular expressions with simple, interactive examples.
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook