Mods for 1.21.3
294 mods match your filters.
Memory usage optimizations
A builder-based configuration library for Minecraft!
Food/hunger-related HUD improvements
A working voice chat in Minecraft!
Shows information about what you are looking at. (Hwyla/Waila fork for Minecraft 1.16+)
Makes chat unreportable (where possible)
A mod to optimize the Minecraft networking stack
Clumps XP orbs together to reduce lag
Fixes Minecraft bugs found on the bug tracker
Massively increase render distance without harming performance.
A simple mod to fix various problems with packets, nbt and timeouts.
Common library providing a lightweight configuration system
spark is a performance profiler for Minecraft clients, servers and proxies.
A fork of Mozilla's Rhino library, modified for use in mods
Pre-generates chunks, quickly and efficiently
TheCSDev's personal library mod for the Minecraft modding environment.
Real-time map used for mapping in-game or your browser as you explore.
The all-in-one tool for editing Minecraft Worlds.
Config menus for resource packs
Improve and tweak Minecraft thread scheduling. Fork of Smooth Boot for ≥1.20
Allows you to rotate, balance or clear crafting grids by the press of a button.
A Mod that prevents ticking-related crashes from bricking worlds
Highlights the mobs that are preventing you from sleeping
Remaps logged stacktraces to readable mappings