Shadow Client Eaglercraft _best_ -

: Unlike the base Eaglercraft, Shadow Client offers deeper settings for performance, such as turning off clouds or lowering render distance to stabilize FPS.

Since Eaglercraft runs in the browser, "installing" Shadow Client usually involves running a specific HTML file. Obtain the ShadowClient.html shadow client eaglercraft

If you don't want to compile your own client, you can find hosted versions: : Unlike the base Eaglercraft, Shadow Client offers