Civ 5 Utilities & Tools
DDS Converter
A Java™ Web Start utility for converting PNG, JPEG and GIF images into the DDS format required by Civilization 5 mods.
Mod Tools
A utility for verifying mods, merging mods and (re-)creating ModBuddy projects.
Mod Builder
A utility for creating combat unit (eg Unique Units for new civilizations) XML and DDS files for inclusion into ModBuddy.