The article Minecraft Forge is still unfinished and may be lacking detailed general information, screenshots, and crafting recipes. Please expand the article and remove the {{unfinished}} tag once the article can be considered complete.
Minecraft Forge is a mod included in the Technic modpack. While it does not itself change the game noticeably, it provides support and compatibility layers for other mods. Most notably, it provides an "ore dictionary" that lets common materials added by multiple mods be recognized as the same thing. For example, both RedPower and IndustrialCraft add Copper and Tin; Forge makes each mod's equivalent items interchangeable.