Atrack is a Bittorrent tracker designed from the ground up to run on Google’s App Engine grid.

Atrack is based on the abandoned Atrack by Uriel †.

Features

1. It uses memcache to store IP addresses, ports, and hashes/keys.
2. It uses ntrack, the Network Tracker protocol.
3. It is a torrent tracker running in Google’s fast servers.
4. It also aims to respect your privacy, other than what is needed for the most basic tracking (hashes/keys and IP/ports) atrack gathers no information whatsoever.

Atrack Website

Source Code on GitHub