A huge list of every anime and manga I've read at least one chapter of or seen one episode of.

[M = Manga A= Anime] *Authors only on titles I've READ.

Titles I recommend in Italics. Based on personal opinion.

1. +Anima {M} [Mukai Natsumi]
2. Absolute Boyfriend {M} [Watase Yuu]
3. Air Gear {MA} [Oh!Great]
4. Black Cat {MA} [Kentaro Yabuki]
5. Burst Angel {A}
6. Buso Renkin {MA} [Watsuki Nobuhiro]
7. Cardcaptor Sakura {A}
8. Code Geass: Lelouch of the Rebellion {MA} [Goro Taniguchi]
9. Death Note {MA} [Ohba Tsugumi]
10. Dragon Drive {A}
11. Elfen Lied {MA} [Okamoto Lynn]
12. Fate/stay Night {A}
13. Fullmetal Alchemist {MA} [Hiromu Arakawa]
14. Fushigi Yuugi {MA} [Watase Yuu]
15. Fushigi Yuugi Genbu Kaiden {M} [Watase Yuu]
16. Higurashi no Naku Koro ni (When They Cry) {MA} [Ryukishi07]
17. Ichigo 100% (Strawberry 100%) {M} [Mizuki Kawashita]
18. Bleach {MA} [Tite Kubo]
19. Inuyasha {MA} [Takahashi Rumiko]
20. Kingdom Hearts {M} [Shiro Amano]
21. Kingdom Hearts: Chain of Memories {M} [Shiro Amano]
22. Monster {M} [Urasawa Naoki]
23. Ouran High School Host Club {MA} [Bisco Hatori]
24. Princess Resurrection {MA} [Yasunori Mitsunaga]
25. School Days {A}
26. Special A {M} [Minami Maki]
27. Trinity Blood {MA} [Sunao Yoshida]
28. Tsubasa Reservoir Chronicle {MA} [Clamp]
29. Vampire Knight {M} [Hino Matsuri]
30. xxxHOLiC {MA} [Clamp]
31. Noein - to your other self {A}
32. X/1999 {M} [Clamp]
33. Nightmares for Sale {M} [Kaoru Ohashi]
34. Psychic Academy {MA} [Katsu Aki]
35. Legal Drug {M} [Clamp]
36. Rose Hip Zero {M} [Tohru Fujisawa]
37. D.N.Angel {MA} [Yukiru Sugisaki]
38. Tactics {MA} [Sakura Kinoshita]
39. Anne Freaks {M} [Yua Kotegawa]
40. Wish {M} [Clamp]
41. Godchild {M} [Kaori Yuki]
42. Elemental Gelade {MA} [Mayumi Azuma]
43. Legend of Chun Hyang {M} [Clamp]
44. Rave Master {M} [Hiro Mashima]
45. RG Veda {M} [Clamp]
46. Poison Candy {M} [David Hines]
47. Shinshoku Kiss {M} [Higashiyama Kazuko]
48. Makai Senki Disgaea {MA} [Arashi Shindo]
49. Disgaea 2 {M} [Hekaton]
50. Azumanga Daioh {MA} [Kiyohiko Azuma]
51. Venus Versus Virus {MA} [Atsushi Suzumi]
52. Paranoia Agent {A}
53. Tokko {A}
54. Hikaru no Go {MA} [Yumi Hotta]
55. Ranma 1/2 {MA} [Takahashi Rumiko]
56. Hell Girl {MA} [Miyuki Eto]
57. Black Jack {A}
58. Red Garden {A}
59. Magikano {A}
60. Tokyo Majin {A}
61. Ninja Nonsense {A}
62. Maburaho {A}
63. Tsubasa Tokyo Revelations {MA} [Clamp]
64. Geobreeders {A}
65. Naruto {A}
66. Outlaw Star {A}
67. Howl's Moving Castle {A}
68. Vision of Escaflowne {A}
69. Princess Tutu {A}
70. Bizenghast {M} [M. Alice Legrow]
71. Sengoku Nights {M} [Kei Kusunoki]
72. Kiddy Grade {A}
73. Ikki Tousen {A}
74. The Galaxy Railways {A}
75. Shingu: Secret of the Stellar Wars {A}
76. Lost Universe {A}
77. One Piece {A}
78. Yu Yu Hakusho {A}
79. Knight Hunters Eternity {A}
80. Blood+ {A}
81. Devil May Cry {A}
82. Chobits {M} [Clamp]
83. Rosario+Vampire {M} [Akihisa Ikeda]
84. Spirited Away {A}
85. Moon Phase {A}
86. Jigoku Shoujo Futakomori {A}
87. Negima {A}
88. This Ugly Yet Beautiful World {A}
89. Desert Punk {A}
90. Tenchi Universe {A}
91. Ghost in the Shell Stand Alone Complex {A}
92. Rumbling Hearts {A}
93. Gunslinger Girl {A}
94. Suzuka {A}
95. Phoenix {A}
96. Solty Rei {A}
97. 07 Ghost {M} [Amemiya Yuki]
98. Angelic Layer {A}
99. CLAMP in Wonderland {A}
100. CLAMP in Wonderland 2 {A}
101. Vampire Princess Miyu {A}
102. D.Gray-man {MA} [Katsura Hoshino]
103. Zombie-loan {M} [PEACH-PIT]
104. Switch {M} [Naked Ape]
105. The Cain Saga: Forgotten Juliet {M} [Kaori Yuki]
106. xxxHOLiC Kei {MA} [Clamp]
107. El Cazador de la Bruja {A}
108. Fairy Cube {M} [Kaori Yuki]
109. Millenium Snow {M} [Bisco Hatori]
110. Monochrome Factor {M} [Kaili Sorano]
111. Gravitation {A}
112. Soul Rescue {M} [Aya Kanna]
113. Descendants of Darkness (Yami no Matsuei) {A}
114. Super GALS! {A}
115. Noir {A}
116. E's Otherwise {A}
117. Gravion Zwei {A}
118. Ultimo {M} [forgot who it was xD]
119. AM Driver {A}
120. Boogiepop Phantom {A}
121. (Seirei no) Moribito {A}
122. Jing: King of Bandits {MA} [...]
123. UFO Valkyrie {A}
124. Wanted {M} [Matsuri Hino]
125. Loveless {MA} [Yun Kouga]
126. CrossXBreak {M} [Duo Brand]
127. Toto! The Wonderful Adventure {M} [Yuko Osada]
128. Magical Detective Loki Ragnarok {A}
129. Nora {M} [...]
130. Fantastic Children {A}
131. Tide-Line Blue {A}
132. Shugo Chara! {M} [Peach-Pit]
133. The Gentlemen's Alliance Cross {M} [Arina Tanemura]
134. Bitter Virgin {M} [Kusunoki Kei]
135. Scrapped Princess {A}
136. My-HiMe {A}
137. To Heart {A}
138. Witchblade {A}
139. Darker Than Black {A}
140. Now and Then, Here and There {A}
141. Aquarion {A}
142. Escaflowne The Movie {A}
143. Earl And Fairy (Hakushaku to Yousei) {A}