There are 3 repositories under modded-minecraft topic.
Just a list of useful mods
Minecraft Wurst Hacked Client v7
📦 The MC modpack manager for professionals.
Share the mods you use with anyone.
Wurst Client for Minecraft Forge.
Allows the player to place certain items as 3D models
The zoom from the Wurst Client as a standalone Minecraft mod.
Realistic Survival - A unique Spigot/Paper plugin inspired by RLCraft that aims to enhance pure survival, adventuring and RPG, and immersion of vanilla Minecraft.
Optimization Pack is a modified version of minecraft to provide way better performance and stability,in some cases you can get more than 10X FPS Boost,bugs fixes and new features are also present in this modded minecraft version.You won't get banned on any server for using this.
Engine for development story-based maps & modpacks
Add, remove, tweak and configure ore and underground generation features for Minecraft Forge
kotlin-based modding library
Minecraft mod that adds glass stairs and glass slabs. They look great in any build and connect seamlessly with vanilla glass blocks.
Strips away blocks to reveal the underground world gen. A must have tool for all map-makers, pack-makers or developers.
A curated list of mods, apps, and resources simplifying the lives of Minecraft modpack developers.
Song system for Minecraft Computercraft: Tweaked Speakers
Vertical End portals and lateral (horizontal) Nether portals with a focus on configurability.
A Simply Brutal Minecraft Modpack
Food groups for spice of life mod, compatible with harvestcraft, tinkers construct, anemania, BoP, thaumcraft.
A plugin for refilling/restocking chests on a Minecraft Server that uses SpongeForge.
A Minecraft mod that adds the clay urn to the game, a fragile container that is affected by gravity.
Clay-WorldGen is a configurable utility Minecraft mod that adds clay to the natural underground world generation.
Minecraft Forge mod that adds rails with the ability to float on top of water and lava.
Biodiversity is a mod for the Bedrock edition of Minecraft, it adds more to the environments of the game (new animals, new biomes)
Bibliotheca is an open-source library mod build for Cultivated Tech. The library comes with an easy to use, automated block / item / tile registering system that allows you to add new content with just one simple line of code.
MFFS is a mod for Minecraft that adds a modular forcefield system to the game. It is based on the 1.12.2 MFFS mod, but has been completely rewritten for the newer versions of Minecraft.
A lightweight and beautiful vanilla experience
Minecraft mod that highlights nearby chests so you can see them through walls. Based on a Wurst Client feature of the same name.
A package manager for minecraft modloaders