I have a text file I update whenever I finish a series or watch an episode... I have a lot of series I've stalled or stopped watching on there, but here is what I've completed so far since I started watching anime:
Mirai Nikki
toradora
Bleach
Steins;Gate
Ah my goddess
Durarara
Clanned After Story
Chaos;Head
Demon King Daimao
pom poko
Clanned
Fullmetal Alchemist: Brotherhood
Welcome to the NHK
The Girl Who Leapt Through Time movie
Deadman Wonderland season 1
Tengen Toppa Gurren Lagann
angel beats
Elfin lied
Code Geass Season 2
Code Geass Season 1
Fate stay night
shakugan no shana
Spice and wolf seasons 1-2
Zero no Tsukaima Seasons 1-3
Hellsing
Darker than black
Deathnote
Soul Eater
.hack//sign
Fullmetal Alchemist
Black Butler
Starting to run out of things I feel like watching unfortunately.