Recommend some interesting manga/anime...

Death note is pretty good both manga/anime.
Soul eater too both in anime/manga
Black butler is real intresting both anime/manga
Fruits basket its a cute story animê but not sure if there is a manga... hope it helps:)

kenichi the mightiest disiple is a great animê the mangá is also a good read.
angel beats animê is amazing i highly recommend it.
full metal panic the animê and mangá are very funny and a defo must.

Rosario + Vampire
angel Beats
Corpse Princess
Murder Princess
Princess Lover
Popotan
rua Fighter II V
Devil May Cry: The Animated Series
Sailor Moon
Mew Mew Power
Tekkaman: The o espaço Knight
Robotech
Soul Eater
RIN: Daughters of Mnemosyne
One Piece
Trigun
Gun X Sword
Gungrave
Ranma 1/2
School Days
El Cazador de la Bruja

I reccomend these:
Trinity Blood (both mangá and anime)
Monster (both mangá and anime)
Ghost in the Shell (anime)
Loveless (both mangá and anime)
Zone-00 (manga)
enjoy:)!

Sailor Moon
Monster
Mushi-shi
Haou Airen
Devil May Cry
RIN (all)
Ranma 1/2
Gun X Sword
Corpse Princess
Princess Resurection
High SChool of the Dead
After School Nightmare
La Corda d'Oro
Otome Youkai Zakuro
Utano Prince-sama
K-On
Hunter X Hunter
Bleach
Naruto
Lucky Star
kuroshitsuji I and II
Shakugan no Shana
Soul Eater
Tokyo Mew Mew
D-Gray Man
Claymore
One Piece
Code Geass
Elfen Lied
Fruits Basket
Vampire Knight
Hellsing
Death Note
Dragon Ball (all of them)
Pokemon (all of them)
InuYasha
Darker Than Black
Shugo Chara
Fullmetal Alchemist
Pretear
Hakuouki
Honey and Clover
Chobits
Wallflower
Fairy Tail
God Child
Ghost Hunt
Gosick
Power Puff Girls Z
Clamp: School Detectives
Neon Genesis Evangelion
Yuu Yuu Hakushou
angel Beats
Genshiken
Black Bird
Kodocha
Pearl Pink
Kaichou wa Maid-sama
The Girl Who Leaped Through Time (movie)
Card Captor Sakura
Tsubasa Cronicles
Absolute Boyfriend
Dengeki Daisy
Pure amor Labrynth
Hapi Mari
Bloody Kiss
Imadoki
No Bra
Cowboy Bep-Bop
Yu-gi-yo (all)
Moe Kare
Canterella
Romeo X Juliet
Galaxy angel (all)
xxxHolic
Gankutsuou
Ai Girl
Galism
pêssego Girl
Fate (all)
Ah! My Buddha
Full Moon wa sagashite
cozinha Princess
Private Prince
Monkey High
Eden of the East
Mawaru Penguindrum
Kaiken Phrase
cereja Juice
Jinjou Romantica
Blue Drop
Melanchony of Haruhi Suzumiya
Rosario + Vampire I and II
Blood +
Ichigo 100%
Ko Akuma Cafe
Honey Hunt
Skip Beat (don't watch the anime, read the manga)
Sands of Destruction
Chrono Crusade
Trinity Blood
Clannad
Black Cat
07-Ghost
Sand Cronicles
D.N. Angel
Ah! My Goddess
Ayu Mayu
amargo, amarga Virgin
Princess Tutu
Tiger and Bunny
You and Me (Kimi to Boku)

**I'll add mais later**

Monster (both animê and manga)

Fullmetal Alchemist (both animê and manga)