Does anyone know a good slice of life anime? I've watched a lot and I can't seem to find a new one. Just looking for suggestions

Try.....

Working!!!
Watamote (Currently airing)
Daily Lives of High school boys (this is HILARIOUS)
Nichijou
Baka and Test


hope this helps!

Try these 5that i know of. The Melancholy of Haruhi Suzumiya. watch that anime on youtube. Lucky estrella anime also watch it on youtube. watch K-On! on an anime website called Justanimedubbed. And watch Squid Girl also on an anime website called justanimedubbed. And Ouran High school Host Club. watch that on justanimedubbs as well.

Azumanga Daioh
Aiura
Pani Poni Dash
Waiting in The Summer
Acchi Kocchi
Ai Yori Aoshi
Black Rock Shooter
5 Centimeters per Second
Chuunibyou demo Koi ga Shitai!
Denpa Onna to Seishun Otoko
Fruits Basket
Hyouka
Say I amor You
Kokoro Connect
Minami Ke
Negima
Sola
Tamako Market
To Heart
Yuru Yuri
Yuyushiki

Hopefully you'll find something tu like out of that list, because that's all I can think of other than what's already been said.

Clannad isn't Slice of Life! It's too beautiful for that! It's just too beautiful!

To answer your question, the best of the Slice of Life anime that I have seen is probably the Melancholy of Haruhi Suzumiya, but I don't like it.

Prince of Tennis...~

tu should try Working!! o Usagi Drop :)

Clannad
Nichijou
Tamako Market
Uta no Prince-sama (image)
Ouran Highschool Host Club
It's Not My Fault I'm Not Populer

Kuroko no Basket(Basuke)

It's about These amazing group of guys who play Basketball!!!!
I think this is Slice of Life, but ethier way it's a good anime :D

It's also only Subbed, and it's más then 20 episodes :3