Fly, Speed, Spider (climb walls), and Jesus (walk on water).
Eaglercraft 1.8.8 hacked clients are modified versions of the original Minecraft client, designed to provide players with an unfair advantage over others. These clients offer a range of features, including aimbots, flyhacks, and ESP (Extra Sensory Perception) hacks, which allow players to see through walls and detect hidden enemies.
NoFall: Prevents you from taking damage when falling from great heights. How to Use Eaglercraft Hacked Clients
Eaglercraft 1.8.8, a browser-based version of Minecraft, has a dedicated modding community that creates and ports "hacked clients"—modified game versions that include cheat features like fly, killaura, and X-ray. Popular Eaglercraft 1.8.8 Hacked Clients