Its hard to recommend a new anime to somebody because I don't know what kind you really like, but ill list a few good ones by category to help you narrow it down.
Action: Hunter x Hunter, Parasyte, World Trigger(ongoing), Fate/Zero, Kuroko no Basketball
Drama/slice of life: My teen romantic comedy SNAFU, Hyouka, Golden Time, Fruit of Grisaia, Monogatari
Comedy: Daily lives of high school boys, Monthly girls' nozaki-kun, Wagnaria
If I missed a category your interested in feel free to notify me and ill see if I can find something that fits your description.
Action: Hunter x Hunter, Parasyte, World Trigger(ongoing), Fate/Zero, Kuroko no Basketball
Drama/slice of life: My teen romantic comedy SNAFU, Hyouka, Golden Time, Fruit of Grisaia, Monogatari
Comedy: Daily lives of high school boys, Monthly girls' nozaki-kun, Wagnaria
If I missed a category your interested in feel free to notify me and ill see if I can find something that fits your description.
ATTACK ON TITANS!!!!
death note
black bulter
mirai nikki
Hope it helped ya!