Some of my favorite anime openings in order from most favorite top to bottom based on how I'm feeling at the moment.

One Piece Opening 20 - Hope

Vinland Saga Opening 1 - Survive Said The Prophet - Mukanjyo

One Piece Opening 14 - Fight Together

Yu Yu Hakusho - Smile Bomb

FMAB Opening 4 - Chemistry - Period

FMAB 2 - NICO Touches the Walls - Hologram

Yu-Gi-Oh! Opening

Neon Genesis Evangelion Opening 1

FMBA Opening 5

Gintama Opening 13

One Piece Opening 23 - Dreamin' On

Berserk 1990s Opening

Tokyo Ghoul - Opening 1 - Unravel

Cowboy Bebop

One Piece Opening 13 - One Day

JoJo's Opening 3

One Piece Opening 18 - Hard Knock Days

Naruto Shippuden Opening 16 - Silhouette

Naruto Shippuden Opening 6 - Sign

Naruto Shippuden Opening 13 - Not Even Sudden Rain Can Defeat Me

Rurouni Kenshin - Freckles

One Piece Opening 5

Bleach Opening 1

Naruto Opening 2 - Harauka Kanata

One Piece Opening 6 - Brand New World

FMAB Opening 1 - Yui - Again

Shaman King Opening 1

Hunter x Hunter (1999) Opening 2

Naruto Shippuden Opening 18 - Line

Soul Eater Opening 2 - Papermoon

Bleach Opening 3 - Ichirin No Hana

Naruto Opening 4 - GO!

One Piece Opening 1 - We Are!

Magi Opening 1

Dragon Ball Z - Rock the Dragon (Toonami)

Bleach Opening 13

Naruto Opening 5 - Sid - Raid

Bleach Opening 9

JoJo's Opening 4 V2

Naruto Shippuden Opening 1 - Hero's Come Back

Naruto Shippuden Opening 3 - Ikimano Gakari - Blue Bird

Fullmetal Alchemist - Ready Steady Go!

JoJo's Opening 7

One Piece Opening 21 - Super Powers

Naruto Shippuden Opening 8 - NICO Touches the Wall - Diver

JoJo's Opening 2

Bleach Opening 8 - Chu-Bara

Naruto Shippuden Opening 20 - Empty Heart

One Piece Opening 24 - Visuals are amazing but song could be more up beat

Yu-Gi-Oh 5Ds Opening 1

Demon Slayer Opening 1

Bleach Opening 12

One Piece Opening 4 - Bon Voyage

JoJo's Opening 5

One Piece Opening 12

Bleach Opening 15

One Piece Opening 2 - Believe - FUNimation Version