Minecraft Plus by Craftyred
This mod expands vanilla Minecraft focusing on nice little features rather than big complicated ones.
Gliby's Voice Chat mod enables in-game voice communication, as well as support for 3D positional audio, global, region chat.
NMCLC (NoMoreCapsLockCommands) by Hennamann
Converts commands to lowercase to save time when typing commands while capslock is on.
§4More Fuels Mod by §6B§4o§6r§4e§6d, §4Zygimantus
§4§oA mod that makes more items usable as fuel as well as adds some fuel storage items and blocks.
Splash Dye by Nosirrom
Craft dye and water bottles into throwable dyes to change the colours of your sheep!