Forge Mods for Minecraft Java
Browse 10 free Forge mods for Minecraft Java — popular picks include Despawn Tweaks, Mob AI Tweaks, MoesTweaks.
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Despawn Tweaks
Optimization mod that fixes cases where mobs will be prevented from despawning.
Mob AI Tweaks
Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!
MoesTweaks
A configurable mod that enhances gameplay with features like mob behavior tweaks, spawner controls, and performance optimizations, all off by default.
APTweaks: Spawn (11.x Classic)
Optimization for monster spawn events and spawner.

LOTR MiddleEarth Tweaks - The Lord of the Rings
Vertical Slabs, Better Guardmode, Ally Conquest Fix, /conquestDecay, very customizable, LOTR compartible
Spawncap Control Utility Mod (1.21.11, 1.20.1) – Control Over Mob Spawning Limits
Spawncap Control Utility Mod gives you deep control over mob spawning limits in Minecraft, making it ideal for custom difficulty settings, performance tuning, or modpack balancing. Features: Adjust the maximum number of mobs per category (e.g. MONSTER, CREATURE, AMBIENT, WATER_CREATURE). Adds new spawn categories from other mods and set their limits. Reduce spawncaps for laggy […]
Despawn Tweaks Mod (1.21.1, 1.20.1) – Smarter Despawning
Despawn Tweaks Mod fixes cases where mobs will be prevented from despawning. Features: Allows mobs that pick up items or gear to despawn naturally. Drops held loot properly when mobs despawn. Allows mobs that spawn from spawners to bypass this rule, optionally only in specific structures. Improves performance on both dedicated servers and in singleplayer. […]
Adaptive Performance Tweaks Spawn Mod (1.21.1, 1.20.1) – Smarter Mob Spawning
Adaptive Performance Tweaks Spawn Mod is a server-side optimization module within the APTweaks collection, built for Minecraft Forge servers running large modpacks. This module specifically targets mob spawning behavior, adjusting settings dynamically to maintain balanced server performance and prevent TPS drops caused by uncontrolled entity spawning. Features: Dynamically optimizes mob spawning behavior to reduce server […]
All I see are HORRORS(AISAH) (Outdated)
This is a modpack that adds almost all the horror mods, the essential mod so you can play with friends, optimization mods so the game isn't laggy and some other mods like Xaero's minimap that adds a minimap so you can see if there's mobs nearby or where.
Traversal
This modpack is designed to improve quality of life, technology, adventure aspects, and mob diversity in Minecraft. It is also high focused on smooth gameplay, with several mods implemented with the sole purpose of improving performance.