The Must-haves

A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter.

Makes chat unreportable (where possible)

Adds dynamic lights to Minecraft as the most feature-complete and optimized dynamic lighting mod.

A client-side schematic mod with extra features for creative mode work

The all-in-one tool for editing Minecraft Worlds.

An over-engineered Zoom mod by Nolij

A "mini F3" HUD mod, also with various overlays like light level, spawn chunks, slime chunks etc.