Chevereto - Chevereto is a powerful and fast image hosting script that allows you to create your very own full featured image hosting website in just minutes.
ZendTo - ZendTo is a web-based system to safely and securely transfer large files around the Web.
Reservo - Image Hosting Script - Reservo is an image hosting script that allows you to create your own image sharing site.
Lychee by Electerious - Lychee is an open-source, free software program for self-hosted photo management. It can be installed on the user's own server or website. The software permits the uploading and management of photos and also makes sharing photos very easy.
PaKnPost Pro - PaKnPosT Pro File Sharing Facility, taking the load off email servers for sharing large files.
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.