Iron Chest by cpw
New chests with larger sizes, with in-place upgrade items. The feature chest is the crystal chest, which is transparent - some inventory contents are visible without opening the chest
Iron Dimension by bgwoo (Code and Textures), 7ggw88 (Textures)
3 new dimensions to explore! Iron, Gold and Diamond. New Dimensions, Blocks, Items, Mobs, Tools, Armor and More! Craft a portal lighter, build a portal and light the portal. Time for a journey!
The Iron Pressure Plate mod is a mod the adds two pressure plates into the game, A Iron Pressure Plate which only triggers on players and an Advanced Iron Pressure Plate which you can configure yourself. License for usage is included in the jar file
Iron Tanks by Indemnity83
Expanding Buildcraft tanks similarly to the way Iron Chests expanded vanilla chests.