PhotoTime - Automatic face sorting & keywords tagging for your photos
FluffyChat - Open. Nonprofit. Cute ?
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook
Molly (Signal fork) - Molly is an independent Signal fork for Android