ZendTo - ZendTo is a web-based system to safely and securely transfer large files around the Web.
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.
Open Upload - Open Upload is a PHP application to create a private / public file download server.
PaKnPost Pro - PaKnPosT Pro File Sharing Facility, taking the load off email servers for sharing large files.
WeTransfer - WeTransfer is a free service to send big or small files from A to B.
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.