>>1089872I use
9anime.ru, as for recs here's a bunch because you didn't specify genres or decades.
The Aquarion trilogy, Future Diary, Gunbuster and Diebuster, Babylon, Claymore, Ghost Hunt, Miami Guns, the original Casshern, Escaflowne, Orguss, RahXephon, Blood Plus, Dougram, Zegapain, VOTOMS, Goshogun, God Mars, Star Driver, Flip Flappers, Maria The Virgin Witch, Paprika, Tokyo Godfathers, Nayuta, Mysterious Archive of Dantalion, Misfit of Demon King Academy, Harlock Saga, the original Zoids and Wild, Acrobunch, Raijin-Oh, Dorvack, Braiger, Ideon, Xabungle, Dunbine, all things with Go Nagai's name on it, all Braves minus Goldran (includes Betterman), Dai-Guard, Big O, Neo Ranga, Unit Pandora, Aldnoah.Zero, Nobunaga The Fool, Samurai Flamenco, Comet Lucifer, Wataru, Majestic Prince, Freezing, Fafner, G Gundam, Gundam Wing, Gundam X, Gundam SEED and Destiny, Gundam Build Divers, Gundam 0083, Akira, Steamboy, Venus Wars, Hell Target, Nausicaa, Porco Rosso, Ryu Knight, NG Knight Lamune, Hellsing, Haibane Renmei, Yamato 2199, Angel Links, and Baja's Studio.