Lights 'n Lures by Bluerthestone
Adds various lighting options as well as special lights to attract/repel various mobs.
Liketechnik's Tinker Tweaks by boni, liketechnik
A small mod that gives your tools XP and awards random modifiers applied to your tools on levelup
LimitedLives by iChun
A tiny mod that limits the number of lives you can have, constantly draining your health, before banning you from the server.