Vanilla Minecraft has knockback. Hacked clients modify this.
: Developers of high-end hacked clients often program them to send "fake info" to the server to bypass basic client-checkers, making total eradication of hackers difficult. Ethical and Educational Context 1.8.8 Hacked Client Eaglercraft
: Specifically designed to bypass floor-clipping detections by spoofing "on-ground" status while falling through a 1-layer floor. Delay Slider Vanilla Minecraft has knockback
This limitation is why the niche for exists. Step (automatically walking up blocks)
: Fly, Speed, Step (automatically walking up blocks), and Spider (climbing walls).
While the Eaglercraft community is constantly evolving, several clients have emerged as the "go-to" choices for players seeking an edge:
Most 1.8.8 hacked clients for Eaglercraft include a standard set of modules designed to bypass server limitations: