Badlion Client

Badlion has a lot of versions of Minecraft it supports and mods but it's not as smooth, the FPS it not so good (75-200 FPS in the lobby).

Lunar Client

Lunar does not have a lot of mods but it is smooth and has Great FPS (100-600 FPS in the lobby) [Note Lunar does not support WindowsXP].

PvPLounge Client

PvPLounge has lots of mods like Badlion and is smooth but lunar is more, but it has some lag spikes and has good FPS (100-300 FPS in the lobby).

LabyMod Client

LabyMod has other mods that Badlion does not have, has Forge support and it's smooth but not as good as lunar and PvPLounge but better them Badlion, Ok FPS (90-200 FPS on the lobby but it can go lower).

Skull Project Client

Skull Project has like 5 mods it's the same smooth as LabyMod FPS is Good (100-200 FPS on the hypixel lobby).

BatMod Client

BatMod has some mods less them lunar it's as smooth as LabyMod FPS is Ok (90-250 FPS in the lobby).

Hyperium Client

Hyperium has a lot of mods mostly made for hypixel it's as smooth as LabyMod FPS is not so good (40-200 FPS in the lobby).

PixelClient

PixelClient has some mods and it's smooth like PvPLounge FPS is Good (100-300 FPS in the lobby). MAY GET YOU FALSE BAN.

Salwyrr Client

Salwyrr has a lot of mods, the safety is ???, it's smooth like PvPLounge but the sensitivity is low and FPS is good but low (80-200 FPS in the lobby). MAY GET YOU FALSE BAN.

5Zig Reborn Client

5Zig Reborn has some mods, it smooth like PvPLounge, the FPS is ok (90-600 FPS in the lobby) [Note I use 5Zig and Optifine].

CosmicPVP Client

CosmicPVP has mods, it's smooth like PvPLounge, FPS is ok (90-300 FPS in the lobby).

Podcrash+ Client

Podcrash+ has some mods, it's smooth like PvPLounge, the safety is ???, FPS is ok (60-300 FPS in the lobby) [Note Forge support?].