MegaCorp by pkmnfrk
Have a lot of items laying around? Want to get into extensive automation for more than automation's sake? Using ProjectE and have more EMC than you know what to do with? Turn your extra items into liquid gold with your very own MegaCorp!
Ingame Server Switcher by canelex
Allows you to connect to another server directly from the current server.
Pam's HarvestCraft by MatrexsVigil
This mod adds a variety of food, seeds and plants and changes farming mechanics
Enchantment Revealer by D0SBoots
Reveals all enchantments in the enchantment GUI. Works even with vanilla SMP!