There are 3 repositories under torrent-tracker-scripts topic.
A Curated List Of Torrent Tracker Platforms/Codebases Written In Multiple Coding Languages
Bit Torrent Tracker application for IPS 4.5x Community Suite
Bit Torrent Tracker application for IPS 4.3x Community Suite
This a init script for Opentracker (a bittorrent tracker)
Free open source php mysql torrentz2.eu colne torrent tracker search engine script - responsive template, turnkey auto update, light weight.
Bit Torrent Tracker application for IPS 4.5x Community Suite