Minecraft Forge

Supports Minecraft 1.0.0, 1.1, 1.10.2, 1.11, 1.11.2, 1.12, 1.12.1, 1.12.2, 1.13.2, 1.14.2, 1.14.3, 1.14.4, 1.2.3, 1.2.4, 1.2.5, 1.3.1, 1.3.2, 1.4.2, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5, 1.5.1, 1.5.2, 1.6.2, 1.6.4, 1.7.10, 1.7.2, 1.8, 1.8.9, 1.9, 1.9.4, b1.7.3, b1.8.1

Modifications to the Minecraft base files to assist in compatibility between mods.

Buildcraft

Supports Minecraft 1.0.0, 1.2.5, 1.3.2, 1.4.2, 1.4.5, 1.4.7, 1.6.2, 1.6.4, 1.7.10, 1.8.9, b1.8.1

Extending Minecraft with pipes, auto-crafting, quarries, engines and much more!