My digital home
Dec 2010
I find most issue trackers bloated for most of my requirements. I usually need a simple issue tracker to communicate between couple of persons but most issue trackers available have plethora of features, usually with full blown database.
So here's my solution: Tiny Issue Tracker. A PHP/SQLite based, single-file issue tracker.
Source: https://github.com/jwalanta/tit

Features
Installation is as simple as it can get:
Demo
username, password = demo, demo123
Check email notifications at http://demo123.mailinator.com/