Original Torrage.com is down
The original torrent caching storage torrage.com is offline. Popular successors of the open sourced caching service are iTorrents and torrage.info.
Torrage is a torrent hosting service that caches torrent files for individual users and large torrent indexes.
The original Torrage.com was shut. The source code of the underlaying caching system was made available to the public. The projects GitHub Repo describes Torrage as
a torrent storage cache system, developed in PHP with the primary aim of serving torrent files on a large scale allowing trackers and index sites to spend less time and resources storing/maintaining torrents.