FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

Modifications to the Minecraft base files to assist in compatibility between mods. New Discord: https://discord.minecraftforge.net/

Brigadier is a command parser & dispatcher, designed and developed for Minecraft: Java Edition.

Mixin is a trait/mixin and bytecode weaving framework for Java using ASM

BuildCraft

A Minecraft plugin API

A Forge mod that implements SpongeAPI

Redstone Engineering

(Archive Only: Merged into Forge proper) The Forge Mod Loader - an opensource replacement mod loader for minecraft

The SpongeAPI implementation targeting vanilla Minecraft and 3rd party platforms.

The SpongeAPI implementation for Vanilla Minecraft.

IoC-oriented Java command parsing library

(Archive, not actively maintained) Run existing Bukkit plugins on Sponge natively