what are some good mods for minecraft?

i bored and since me now know how to put mods on minecraft i wanna know what there is

There is a better place for general questions like these about specific games which have active development and communities.That place, of course, is the official forums for said games.
http://www.minecraftforum.net/viewforum.php?f=25

Replying to #2

Yes, but since he asked I shall answer.OP, here's a list of what I use:
Mo' Creatures
Humans+
Pets
Slime Spawners
HovercraftThose are the best mods, from what I can tell.

Heres what I useMo' Creatures
Humans+
Pets
Items I made my self