PhotoTime - Automatic face sorting & keywords tagging for your photos

Voynetch - Share your visual notes and graphic recordings.

Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.

Ziteboard - Ziteboard is an zoomable online whiteboard that lets team to collaborate in real-time.

Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook

AuthorBee - Organize Twitter around your interests