1. SpongeThe SpongeAPI implementation targeting vanilla Minecraft and 3rd party platforms.
2. ConfigurateA simple configuration library for Java applications providing a node structure, a variety of formats, and tools for transformation
4. NoiseNoise generation library for Java, based on the libnoise C++ library. It is used to generate coherent noise, a type of smoothly-changing noise. It can also generate Perlin noise, ridged multifractal noise, and other types of coherent noise.
5. OreRepository software for Sponge plugins and Forge mods
8. MixinMixin is a trait/mixin and bytecode weaving framework for Java using ASM
10. VanillaGradleA toolchain for Minecraft: Java Edition that builds a workspace to interact with the game using the official mappings provided to the public by Mojang Studios.
12. mathImmutable math library for Java that offers easy conversion between math types, fast trigonometric functions, vectors, matrices, complex numbers, quaternions, and operation chaining, with a focus on games and computer graphics.